Kosmos Nachtleuchtende Flummi-Power (8+)

With the special granulate in 6 colors and the additional 3 noctilucent colors, up to 20 power balls can be produced. If the first balls lose their bouncing power after a few days, there is definitely a replenishment! Children from 8 to 12 years of age in exciting information texts and fun facts. A KOSMOS experiment set to get started right away, have fun and collect knowledge! Which bouncy ball jumps the highest? Who has the most beautiful bouncy ball? Children can find out in just ten minutes with this KOSMOS experiment set! With the special granulate and the various molds, 8 to 12-year-olds can mix round and square bouncy balls in various colors themselves. The noctilucent rubber, which glows brightly in the dark, is particularly cool. If he then gets a pair of googly eyes, it gets really funny. If the first balls are dry after a few days and have lost their bounce, new ones are needed. How good that the granulate in this set is enough for up to 20 power balls! Exciting info texts and fun facts explain why some colors glow in the dark and how, for example, the animals of the deep sea make use of it.