Fun Science: Glow in the Dark Bouncing Balls (Danish)

Create your very own glow-in-the-dark bouncing balls with this Fun Science kit!

You can make up to 20 glow-in-the-dark bouncing balls. With the special granulate, you can create your own round and angular bouncing balls in various colors.

The balls remain soft for 2-3 days as there are no additives in them.