girl's first birthday cake

Like the cupcake idea, not sure if i should do a cupcake style cake or a cupcake station

Make your own bouncy balls from scratch. Just borax and corn starch! This is a ridiculously cool science experiment.

How to Make a Bouncing Polymer Ball

Use chemistry to make a bouncing polymer ball, then alter the procedure to see the effect the changes have on the characteristics of the bouncing ball.: Make a Bouncing Polymer Ball - Introduction and Materials