here . We double it for an extra messy experience!
here. Their food coloring gel is supposed to last a long time and has great color.
A good time was had by our group of little scientists and mums alike! I bring this project around every 4 - 5 months or so, and it's always a crowd pleaser. Next time, I'm thinking I'll also put some glitter into the mix for even more sensory fun with Glittery Goop!