It took us two years of testing, but we found the world's best growing alligators! Then, we tweaked the polymer formula and made these growing gators even better. These little buggers are so good that we even supply them to other science companies.
The gator starts out only 11 centimeters long (4.5 in). Place the creature in water and watch it grow to an amazing size of almost 41 cm (16 in) long. Recommended for children ages 4 and up.
See the Growing Alligator Science Project to learn how to use this simple science toy to create a great science fair project.
- Large Growing Alligators in your choice of quantity
How does it work?Growing creatures are made out of a superabsorbent polymer that soaks up water. The polymer is similar to the non-toxic chemical used in baby diapers. Don't overlook the educational value of these inexpensive toys.
What does it teach?Discover how thirsty polymers perform very important functions in everyday life. They're used in everything from baby diapers to environmental cleanup materials! Aside from their environmental and industrial uses, discover how different kinds of polymers help these "growing toys" keep their shape as they expand.
- How big do they get?
They grow to an amazing 40 cm (16 in). That’s about 4 times their original size!
- How do they compare to your giant creatures?
These large growing gators don't start out as large as the ginormous creatures, so they don't grow quite as large either.
December 5th, 2006
Click the thumbnail below to see the video.
Growing Family Alligators
Robin - May 13, 2013
We were very pleased with the alligators. We gave them to our son to grow for our grandson and grand daughter. I will be sure to write another review after we get the chance to grow them.
Kids were amazed! Small are good, Large are great, Giant is AMAZING!
Mrs. Lynch - March 26, 2013
Last year, I ordered all three sizes of the growing alligators for my preK and K students. We were amazed with how much they grew! I had the giant crocodile for the class to predict, observe and measure. The kids loved it. We were all amazed with how large it got. I ordered the small alligators and had each child 'adopt' one. We named them, put them into small plastic tubs of water to grow for a couple of days, traced them and measured them using grid paper. The kids were wowed by the difference in the little ones, too. They grew from about 2 inches to 5 inches long. However, the large growing alligators were even more impressive. They grew from about 3.5 inches to 12 inches in two days! This year, I ordered the large ones for my classes. But now I'm not sure where I'll store the 25 larger containers while the alligators grow! I also like the larger ones because when they dried out, they still looked cute. I was able to reuse the large size. The small ones shriveled up when they were dry and then got slimy gross when we tried to re-grow them...so they seem more like a one-time use grow toy. I just tried out a large alligator that I used (and then dried) last year. He worked great. I am happy that I've purchased the set of 30 large growing alligators this year for my students. Fun measuring activity!
Amber - February 16, 2012
I am so happy with my purchase from Steve Spangler!!! Shipping was quick and the kids loved the product!! Would highly recommend the site and products!
Peggy Grijalva - May 10, 2011
I purchased alligators along with the snake, the frog and the lizard for our church camp last year (June 2010). The kids in my class had a wonderful time watching them grow and measuring them daily. After camp, I let them dry out (about 2 weeks)and put them away to use this year. They are definitely reusable and I plan use them in my class again this year!
Growing alligator is a disappointment
Tom O'Hara - November 21, 2010
It grows slowly and then falls apart. It decomposes and pieces continually fall off of it. We only tried one. Then threw it away. The other one will be played with but not in the water. We won't even try the other "growing" creatures we bought, as we don't want them to fall apart.
Greg Giehart Murray, KY - November 17, 2009
This product makes a wonderful learning experience for a daily graphing experience.