How cool is that! Mars, Jupiter, Venus, and Saturn – with the colorful bouncy planet balls, children create their first jumping universe. The instructions guide them step by step to make their bouncing balls. Quickly pour the different colored granules into the special planet molds, dip them in water for a few minutes, take them out, and let them dry briefly. Then the bouncy balls can be tested. Tips and tricks explain how to mix great patterns, cast planet rings, and create a bouncy mobile from the dried balls. Additional information provides exciting facts about the solar system as well as real and bouncing planets. The tip: Save some granules for later to extend the bouncing fun.

Contents: Special granules in 5 colors, planet molds, experiment cup.