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Growing Dinosaurs

Create a long lost underwater land with these dinosaurs! Place Growing Dinosaurs in a glass or as part of a scenic aquarium! Watch them grow to the more

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Product Details

Create a long lost underwater land with these dinosaurs! Place Growing Dinosaurs in a glass or as part of a scenic aquarium! Watch them grow to the size of a “T-Rex” at your next jurassic-themed party! Takes around 48 hours to fully grow. Put these 2" colorful foam toys in prehistoric gift bags! (4 dozen per unit) © OTC

Item Number:



Small parts. Not for children under 3 years.

Product Specs

  • Unit of Measure: 48 Piece(s)

Ratings & Reviews

Rated 5 out of 5 by from Super cute Have not used any yet , loaded them in treat bags for my kiddos classmates at school :)
Date published: 2018-09-11
Rated 1 out of 5 by from They did not GROW! We are in the middle of a big dinosaur unit and this was something that looked fun the kids were so excited and yet they are not growing... Lot's of sad 1st graders...
Date published: 2018-03-01
Rated 2 out of 5 by from Dinos did not grow The kiddos were very excited to see the dinos grow. After 48hrs, they didn't appear to grow very much.
Date published: 2017-10-28
Rated 1 out of 5 by from Did not work Used for a science lab. Kept in water for 5+ days and these grew weird lumps on them and then started to break down. Purchase the bugs or sea creatures instead.
Date published: 2017-09-28
Rated 1 out of 5 by from Disappointed I have used these growing dinosaurs in my Algebra 1 class for 11 years and have never had any trouble. This year, 3 of my classes used left over dinosaurs from last year and my other class used the new ones I ordered this year. The dinosaurs have been in water for 48 hours. The new ones have only grown maybe 0.2 of a cm. The old ones have grown about 2 cm. Not sure what happened, but wish I could get my money back. I may have to remove this project from my unit. Disappointing since it is a favorite with my students!
Date published: 2017-09-27
Rated 1 out of 5 by from Poor quality As a science teacher, we have ordered the growing dinosaurs for the last 15 years without issue. This year you beasts did not grow. I checked with two other middle schools that do the same lab and their experience was the same. Our students were really disappointed. Please check your product we suspect the sodium polyacrylte was not added to the plastic so the beasts are not growing. I will give your customer service high marks as they credited my account and apologized profusely.
Date published: 2017-09-20
Rated 1 out of 5 by from Not Good It took 72+ hours to grow only 2x original size
Date published: 2017-08-22
Rated 1 out of 5 by from Lousy These growing dinosaurs did not even grow no matter the temperature of water we used. My 5 year old was disappointed.
Date published: 2017-01-11
Rated 1 out of 5 by from Don't buy these These did not do what they were intended to do.
Date published: 2016-12-28
Rated 4 out of 5 by from Growing takes forever Had them in the water for 24 hours didn't grow, put another one in warm water seemed to work better still really small has been another 24 hours for the second one.
Date published: 2016-11-07
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