A fantastic science kit for creating real bouncing balls that are colorful and entertaining. This kit contains spherical molds and several pouches of colored powder to mix with water and create truly magical balls. The process is simple and quick: just immerse the mold in water, leave it to rest for a few short minutes, and the experiment is complete! It's simply entertaining and ready to play with. The kit includes an extensive illustrated manual that explains the preparation process clearly and easily. Suitable for ages 8 and up.