The Nickelodeon Experimake Bouncing Balls set is here to make playtime even more fun. Use the included ingredients to make these bouncing balls come to life! Fill the moulds with the colourful granules, then immerse the moulds in water to create colourful bouncing balls. Which shape will bounce the highest? With everything required to make exciting creations included in this brilliant STEM set, the Bouncing Balls Science Kit lets kids discover science in an easy way. Make bouncing balls come to life with the Nickelodeon Experimake Bouncing Balls Science Kit Fill the included moulds with colourful granules and immerse the moulds in water to create unique bouncy balls Contents: 4 x Bouncy Ball Moulds, 6 x Crystal Granule Sachets, 2 x Glow in the Dark Crystal Granules Sachets, 8 x Resealable Bags, and 1 x Educational Booklet and Instructions Experimakecreated by scientists, fun for kids Suitable for ages 5 years +