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Birthday-Themed Building Blocks & Kids Building Sets for Parties

(11 items)
Q-BA-MAZE 2.0 Action Stunt Set
Q-BA-MAZE 2.0 Action Stunt Set
1 Piece(s) #13815441
On
Sale
$24.98
50% OFF
 
 
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Bulk 140 Pc. Block Play Building Blocks Set
Bulk 140 Pc. Block Play Building Blocks Set
1 Set(s) #13674034
$21.99
(11)
 
 
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Bulk 145 Pc. Cool Crazy Connectors Building Blocks Set
Bulk 145 Pc. Cool Crazy Connectors Building Blocks Set
1 Set(s) #60/3015
$10.99
(20)
 
 
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Vibrant Color Brick Packs - 12 Pc. with 10 Bricks Each
Vibrant Color Brick Packs - 12 Pc. with 10 Bricks Each
Per Dozen #13940237
On
Sale
$12.98
35% OFF
(4)
 
 
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Bulk 400 Pc. Fantastic Fish Building Blocks Set
Bulk 400 Pc. Fantastic Fish Building Blocks Set
400 Piece(s) #60/3010
$21.99
(15)
 
 
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Building Bricks Blocks Set - 42 Pc.
Building Bricks Blocks Set - 42 Pc.
42 Piece(s) #60/4000
$41.99
(5)
 
 
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125 Piece Aqua Maze Marble Run
125 Piece Aqua Maze Marble Run
124 Piece(s) #13788341
$29.97
 
 
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MindWare® KEVA® Brain Builders
MindWare® KEVA® Brain Builders
1 Set(s) #66009
$18.99
(2)
 
 
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MindWare® Q-BA-MAZE 2.0 Lights
MindWare® Q-BA-MAZE 2.0 Lights
1 Piece(s) #13908105
On
Sale
$24.98
64% OFF
 
 
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Imagination Magnets
Imagination Magnets
1 Piece(s) #66110WT
$39.99
 
 
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Q-BA-MAZE: Sparkle Builder Set
Q-BA-MAZE: Sparkle Builder Set
1 Piece(s) #13947439
On
Sale
$16.98
68% OFF
 
 
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Explore Affordable & Creative Building Block Sets

Make birthdays unforgettable with our curated selection of building blocks designed specifically for celebrations. These versatile sets serve as both engaging party activities and lasting birthday gifts, combining playtime with developmental benefits. Discover STEM-focused kits that double as classroom learning materials, sensory toys for hands-on exploration, and bulk options ideal for party favors or stocking stuffers. With prices up to 68% off retail, our building blocks offer exceptional value without compromising quality - backed by our 110% Lowest Price Guarantee. From marble runs that spark creativity to colorful brick packs perfect for group activities, our collection supports various age groups and skill levels. Teachers love our educational sets for developing spatial reasoning, while parents appreciate durable options that withstand years of play. Many kits feature popular themes like superheroes and holidays, making them excellent gifts for boys, girls, and classroom celebrations alike. Looking for party supplies that go beyond paper decorations? Our building blocks create interactive experiences - use them as craft station materials, team-building challenges, or take-home gifts. Exclusive sets like the Q-BA-MAZE Sparkle Builder add wow factor to any celebration, while classroom-friendly bulk packs ensure every child participates. With same-day shipping on 25+ orders, you'll have everything needed to build birthday memories that last long after the party ends.