Homemade silly putty is both a great kids activity and a science project!
After playing with silly putty at engineering camp this week my kids wanted to play with it at home too. We decided to make some homemade silly putty using items we already had at home. It was a great way to extend their learning and play!
Making silly putty turned out to be a great way to practice thinking like a scientist and using our problem solving skills. Our first version didn’t turn out very silly putty-ish even though we used a recipe we’ve used many time before.
It was a great chance for the kids to experiment and figure out how to fix it.
Homemade Silly Putty Recipe
The basic silly putty recipe is 2 parts glue and 1 part liquid starch. We started with 4 oz of glue and blue food coloring. Then we added 2 oz of the liquid starch. We mixed it together with a wooden spoon. Once it thickened we then kneaded it for 5 minutes–which is a lot longer than it seems–but we weren’t happy with the consistency.
We decided to let it sit for a little bit and then after about 10 minutes we tried kneading it again. This time it was more silly putty-ish.
The kids had fun bouncing and cutting and squishing the silly putty, but were disappointed to see that it wouldn’t make prints like the store bought kind does. We’ll have to keep working on it!
Join me and Erica from What Do We Do All Day? each Thursday this summer for a free Summer Science Camp. We are sharing classic science experiments that your kids will love!
Head over to see the Balloon Rockets they made this week–I can’t wait to try them!
For even more science fun this summer check out my Science is Everywhere Pinterest board!