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Essential STEM Activities and Supplies for 3rd Grade Classrooms

(3955 items)
STEM Aerodynamic Boomerang Craft Kit Educational Activities – Makes 12
STEM Aerodynamic Boomerang Craft Kit Educational Activities – Makes 12
Makes 12 #14474696
$21.99
 
 
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12 Pc. 2 1/4" diam. End of Year 2nd to 3rd Bracelets Handout with Card for 12
12 Pc. 2 1/4" diam. End of Year 2nd to 3rd Bracelets Handout with Card for 12
Per Dozen #14512354
$19.99
 
 
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12 Pc. 2 1/2" diam. End of Year 3th to 4th Bracelets Handout with Card for 12
12 Pc. 2 1/2" diam. End of Year 3th to 4th Bracelets Handout with Card for 12
Per Dozen #14512355
$19.99
 
 
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5 1/4" Magic Color Scratch Paper Bookmarks with Red Satin Ribbon - 24 Pc.
5 1/4" Magic Color Scratch Paper Bookmarks with Red Satin Ribbon - 24 Pc.
24 Piece(s) #48/2463
On
Sale
$4.98
50% OFF
(43)
 
 
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2 3/4" x 5 DIY STEAM Balloon-Powered Car Learning Activities - 12 Pc.
2 3/4" x 5 DIY STEAM Balloon-Powered Car Learning Activities - 12 Pc.
Makes 12 #13781755
On
Sale
$19.98
9% OFF
(15)
 
 
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Bulk 48 Pc. Color Your Own Dr. Seuss™ The Cat In The Hat™ Bookmarks
Bulk 48 Pc. Color Your Own Dr. Seuss™ The Cat In The Hat™ Bookmarks
48 Piece(s) #13934963
On
Sale
$6.98
6% OFF
(4)
 
 
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DIY STEAM Hand Fan Activity Learning Challenge Craft Kit - Makes 12
DIY STEAM Hand Fan Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356054
$19.99
 
 
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24" x 4" Bulk 50 Pc. DIY Crafts Paper Crowns
24" x 4" Bulk 50 Pc. DIY Crafts Paper Crowns
50 Piece(s) #48/8331
$15.99
(25)
 
 
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10 1/4" Color Your Own Black History Month Hero Posters – 30 Pc.
10 1/4" Color Your Own Black History Month Hero Posters – 30 Pc.
30 Piece(s) #14466779
$8.99
 
 
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STEM Constellation Telescope Activity Learning Challenge Craft Kit - Makes 12
STEM Constellation Telescope Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356040
$24.99
 
 
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Sun Dial Educational Craft Kit - Makes 12
Sun Dial Educational Craft Kit - Makes 12
Makes 12 #13797827
$19.99
 
 
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8 1/2" x 16" DIY Design Your Own Blank Paper Scrolls - 12 Pc.
8 1/2" x 16" DIY Design Your Own Blank Paper Scrolls - 12 Pc.
12 Piece(s) #13585815
$10.99
(16)
 
 
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Space Activity Books - 12 Pc.
Space Activity Books - 12 Pc.
Per Dozen #14096261
$7.79
 
 
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Bulk 80 Pc. Fabulous Fabric Marker Pack - 8 colors per pack
Bulk 80 Pc. Fabulous Fabric Marker Pack - 8 colors per pack
80 Piece(s) #56/4038
$44.99
(27)
 
 
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MONOPOLY: Hello Kitty and Friends
MONOPOLY: Hello Kitty and Friends
115 Piece(s) #14312454
$54.99
Shipped by Educators Resource
 
 
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Dr. Seuss™ Pin the Tie on the Cat Game
Dr. Seuss™ Pin the Tie on the Cat Game
38 Piece(s) #13934960
$8.99
(5)
 
 
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Teacher Created Resources Blue Scalloped Border Trim, 35 Feet Per Pack, 6 Packs
Teacher Created Resources Blue Scalloped Border Trim, 35 Feet Per Pack, 6 Packs
72 Piece(s) #14397419
$35.99
Shipped by Educators Resource
 
 
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Scotch Magic Tape Refill Rolls, 3/4" x 1296" Per Roll, 6 Rolls
Scotch Magic Tape Refill Rolls, 3/4" x 1296" Per Roll, 6 Rolls
6 Piece(s) #14399346
$38.99
Shipped by Educators Resource
 
 
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STEM Animal Balloon Race Activity Learning Challenge Craft Kit - Makes 12 Races
STEM Animal Balloon Race Activity Learning Challenge Craft Kit - Makes 12 Races
Makes 12 #14335170
$16.99
 
 
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Bulk 100 Pc. Touch of Nature® Black Chenille Stems
Bulk 100 Pc. Touch of Nature® Black Chenille Stems
100 Piece(s) #14465617
$2.89
 
 
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Contixo KW1 Smart Watch for Kids with Educational Games, HD Touch Screen, Camera, and MP3 Music Player, Blue
Contixo KW1 Smart Watch for Kids with Educational Games, HD Touch Screen, Camera, and MP3 Music Player, Blue
1 Piece(s) #14577813
$45.99
Shipped by Educators Resource
 
 
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Dixon Eraser Combo Set, Neon, Beveled & Wedge Caps, 8 Sets
Dixon Eraser Combo Set, Neon, Beveled & Wedge Caps, 8 Sets
8 Set(s) #14397968
$31.99
Shipped by Educators Resource
 
 
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Educational Insights Playfoam Sand Sensory Set
Educational Insights Playfoam Sand Sensory Set
1 Piece(s) #14670234
$29.99
Shipped by Educators Resource
 
 
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Educational Insights Playfoam Sand 8-Pack
Educational Insights Playfoam Sand 8-Pack
1 Piece(s) #14670233
$29.99
Shipped by Educators Resource
 
 
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STEM Bridge Activity Learning Challenge Craft Kit - Makes 10
STEM Bridge Activity Learning Challenge Craft Kit - Makes 10
Makes 10 #14105087
$30.99
 
 
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STEM Hopping Grasshopper Activity Learning Challenge Craft Kit - Makes 12
STEM Hopping Grasshopper Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356210
$21.99
 
 
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Rainbow Colored Kraft Duo-Finish Paper, 48" x 200', Black, 1 Roll
Rainbow Colored Kraft Duo-Finish Paper, 48" x 200', Black, 1 Roll
1 Piece(s) #14599704
$48.99
Shipped by Educators Resource
 
 
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STEAM Classic Egg Drop Challenge Learning Activity Kit - Makes 10
STEAM Classic Egg Drop Challenge Learning Activity Kit - Makes 10
Makes 12 #13805648
$27.99
(2)
 
 
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Edupress Pete the Cat Groovy Birthday Slap Bracelets, 10 Per Pack, 6 Packs
Edupress Pete the Cat Groovy Birthday Slap Bracelets, 10 Per Pack, 6 Packs
60 Piece(s) #14398836
$39.99
Shipped by Educators Resource
 
 
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4 1/2" x 2" DIY White Ceramic Rainbow Keepsake Boxes - 12 Pc.
4 1/2" x 2" DIY White Ceramic Rainbow Keepsake Boxes - 12 Pc.
12 Piece(s) #13722460
$32.99
(13)
 
 
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2 1/2" DIY Mini Unfinished Wood Toy Race Cars- 12 Pc.
2 1/2" DIY Mini Unfinished Wood Toy Race Cars- 12 Pc.
Per Dozen #27/975
On
Sale
$9.78
11% OFF
(59)
 
 
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12" Faith Stone Adjustable Bracelets Pony Bead Craft Kit - Makes 12
12" Faith Stone Adjustable Bracelets Pony Bead Craft Kit - Makes 12
Makes 12 #13626135
On
Sale
$14.98
11% OFF
(6)
 
 
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5" x 7" Bulk 144 Pc. Food, Animals, & Fun Activity Pad Assortment
5" x 7" Bulk 144 Pc. Food, Animals, & Fun Activity Pad Assortment
144 Piece(s) #12/3514
Kit
Price
$32.99
SAVE 17%
(83)
 
 
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7" Ice Cream Mini Fan Ornament Foam Craft Kit - Makes 12
7" Ice Cream Mini Fan Ornament Foam Craft Kit - Makes 12
Makes 12 #13834224
$16.99
(4)
 
 
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Fadeless Bulletin Board Art Paper, Night Sky, 48" Proper 50', 1 Roll
Fadeless Bulletin Board Art Paper, Night Sky, 48" Proper 50', 1 Roll
1 Roll(s) #14397045
$35.99
Shipped by Educators Resource
 
 
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2" Make Your Own Magic Snow Containers with Shovels - 12 Pc.
2" Make Your Own Magic Snow Containers with Shovels - 12 Pc.
Per Dozen #13772669
$8.98
(9)
 
 
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Unicorn Dream Catcher Craft Kit - Makes 6
Unicorn Dream Catcher Craft Kit - Makes 6
Makes 6 #13834033
Clearance
Price
$5.97
23% OFF
(3)
 
 
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7 Ft. Black & Red Spiral Nylon Jump Ropes with Plastic Handles - 12 Pc.
7 Ft. Black & Red Spiral Nylon Jump Ropes with Plastic Handles - 12 Pc.
Per Dozen #20/11
On
Sale
$9.98
9% OFF
(83)
 
 
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30" STEM Binary Coding Beaded Necklace Craft Kit – Makes 12
30" STEM Binary Coding Beaded Necklace Craft Kit – Makes 12
Makes 12 #14268546
$5.99
 
 
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STEAM Balloon Hovercraft Activity Learning Challenge Craft Kit - Makes 12
STEAM Balloon Hovercraft Activity Learning Challenge Craft Kit - Makes 12
Makes 12 #14356044
$14.99
(2)
 
 
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5" x 8" Multiplication Educational Plastic Dominoes Set - 28 Pc.
5" x 8" Multiplication Educational Plastic Dominoes Set - 28 Pc.
1 Set(s) #13851596
$19.99
(3)
 
 
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14" x 8 1/4" DIY Gigantic Bulletin Board Puzzle Pieces - 24 Pc.
14" x 8 1/4" DIY Gigantic Bulletin Board Puzzle Pieces - 24 Pc.
24 Piece(s) #57/6045
On
Sale
$21.98
21% OFF
(15)
 
 
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9" x 12" Bulk 240 Pc. Crayola® Construction Paper in 12 Colors
9" x 12" Bulk 240 Pc. Crayola® Construction Paper in 12 Colors
240 Sheet(s) #13932894
$8.29
(8)
 
 
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Teacher Created Resources Black Border Trim, 35 Feet Per Pack, 6 Packs
Teacher Created Resources Black Border Trim, 35 Feet Per Pack, 6 Packs
72 Piece(s) #14397386
$35.99
Shipped by Educators Resource
 
 
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Tapple® Fast Word Fun For Everyone!
Tapple® Fast Word Fun For Everyone!
1 Piece(s) #13831765
$36.99
Shipped by Educators Resource
 
 
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5" x 7" 52 Pg. Create Your Own Comic Book Activity Pads - 12 Pc.
5" x 7" 52 Pg. Create Your Own Comic Book Activity Pads - 12 Pc.
Per Dozen #13721536
$7.79
(47)
 
 
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DIY STEAM Kaleidoscope Learning Activity Craft Kit - Makes 12
DIY STEAM Kaleidoscope Learning Activity Craft Kit - Makes 12
Makes 12 #13942692
$16.99
(3)
 
 
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School Zone Publishing Multiplication 0-12 Flash Cards, 6 Packs
School Zone Publishing Multiplication 0-12 Flash Cards, 6 Packs
6 Piece(s) #14572971
$27.99
Shipped by Educators Resource
 
 
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10" - 18" Black History Month Leaders Learning Charts - 15 Pc.
10" - 18" Black History Month Leaders Learning Charts - 15 Pc.
1 Set(s) #13630268
$19.99
(18)
 
 
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28" DIY Paintable White Nylon Umbrellas with Plastic Safety Knobs - 24 Pc.
28" DIY Paintable White Nylon Umbrellas with Plastic Safety Knobs - 24 Pc.
24 Piece(s) #13610764
Kit
Price
$82.99
SAVE 16%
(49)
 
 
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C-Line Standard Lanyard, Black, Swivel Hook, Pack of 24
C-Line Standard Lanyard, Black, Swivel Hook, Pack of 24
24 Piece(s) #14572589
$25.99
Shipped by Educators Resource
 
 
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Moon Products Happy Birthday From Your Teacher Pencils, 12 Per Pack, 12 Packs
Moon Products Happy Birthday From Your Teacher Pencils, 12 Per Pack, 12 Packs
144 Piece(s) #14398190
$48.99
Shipped by Educators Resource
 
 
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Teacher Created Resources Gold Foil Star Stickers Valu-Pak, 686 Per Pack, 6 Packs
Teacher Created Resources Gold Foil Star Stickers Valu-Pak, 686 Per Pack, 6 Packs
4116 Piece(s) #14398138
$35.99
Shipped by Educators Resource
 
 
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22" Kids Cowboy Hats with Blue & Red Rim & Star - 12 Pc.
22" Kids Cowboy Hats with Blue & Red Rim & Star - 12 Pc.
Per Dozen #13770388
$32.99
(63)
 
 
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CLASSROOM ATTRACTIONS LEVEL 2
CLASSROOM ATTRACTIONS LEVEL 2
1 Unit(s) #13832887
$101.99
Shipped by Educators Resource
 
 
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Prang Construction Paper, Pink, 12" x 18", 50 Sheets Per Pack, 5 Packs
Prang Construction Paper, Pink, 12" x 18", 50 Sheets Per Pack, 5 Packs
5 Piece(s) #14572565
$28.99
Shipped by Educators Resource
 
 
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10" x 4" Greetings from Around the World Wall Cutouts - 60 Pc.
10" x 4" Greetings from Around the World Wall Cutouts - 60 Pc.
60 Piece(s) #13742177
$32.99
(11)
 
 
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Build-a-Bulletin-Board Comparative vs. Superlative Lesson
Build-a-Bulletin-Board Comparative vs. Superlative Lesson
1 Set(s) #13831924
Clearance
Price
$2.67
79% OFF
 
 
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SICURIX Standard Lanyard Hook Rope Style, Purple, Pack of 24
SICURIX Standard Lanyard Hook Rope Style, Purple, Pack of 24
24 Piece(s) #14572588
$29.99
Shipped by Educators Resource
 
 
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30 Second Dance Party Dance Party Button, Volume 2
30 Second Dance Party Dance Party Button, Volume 2
1 Piece(s) #14614455
$26.99
Shipped by Educators Resource
 
 
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STEM Tensegrity Activity Learning Challenge Structure Stand Craft Kits - Makes 12
STEM Tensegrity Activity Learning Challenge Structure Stand Craft Kits - Makes 12
Makes 12 #14474642
On
Sale
$19.98
9% OFF
 
 
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5 1/4" x 5 3/4" STEM Sail Car Craft Kit Educational Activities – Makes 12
5 1/4" x 5 3/4" STEM Sail Car Craft Kit Educational Activities – Makes 12
Makes 12 #14474646
$21.99
 
 
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8" x 10" STEM Early Coding & Programming Activity Books - 24 Pc.
8" x 10" STEM Early Coding & Programming Activity Books - 24 Pc.
24 Piece(s) #14474632
$7.79
 
 
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4" Tropical Plastic Suncatchers with Paint Tubes Kit - Makes 24
4" Tropical Plastic Suncatchers with Paint Tubes Kit - Makes 24
48 Piece(s) #48/5847
$44.99
(32)
 
 
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Hands-On STEM Learning for 3rd Graders

Engage your 3rd graders with innovative STEM activities designed to spark curiosity and build critical thinking skills. Our collection features hands-on kits like hydraulic bridge builders, slingshot cars, and coding activity books that make complex concepts accessible. These teacher resources align with curriculum standards while keeping learning interactive and fun. With bulk classroom supplies available, you can outfit your entire class with exciting educational activities that transform abstract ideas into tangible experiments. Maintain an organized learning environment with our classroom organization solutions including homework turn-in systems, storage containers, and labeled supply kits. These essential 3rd grade supplies help create efficient spaces where students can focus on exploring scientific principles through structured experiments. Our educational activities promote collaborative learning while developing problem-solving abilities that extend beyond STEM subjects. Discover versatile teacher resources suitable for both traditional classrooms and homeschool settings. From reading journals to math manipulatives, our elementary school supplies support diverse learning styles while saving educators valuable preparation time. The comprehensive selection includes seasonal STEM activities, literacy tools, and classroom decor that adapt to different teaching approaches throughout the academic year. Explore budget-friendly options with our bulk classroom supplies for elementary teachers, featuring exclusive kits like the STEM car craft assortment that serves 36 students. These ready-to-use educational activities come with all necessary components for immediate implementation. Our 3rd grade supplies combine quality materials with educational value, helping teachers deliver memorable learning experiences while staying within budget constraints.