Use the special crystals to create cool Bouncy Balls bursting with colour. Simply layer up the crystals and place in water for a few minutes. You get enough stuff to make two large balls or eight small ones. What’s more, the crystals also glow in the dark. Just the thing for games of catch at night! CONTENTS 8 x 10g pack of glow-in-the-dark crystals 2 x ball moulds Guide Key features: Make cool bouncy balls with glow-in-the-dark crystals Simply layer up glow-in-the-dark crystals and place in water to create your own bouncy balls Makes 2 large balls or 8 small ones Includes 8 x 10g packs of glow-in-the-dark crystals, 2 ball moulds and guide Product dimensions - 15.6 x 3.51 x 26.49 cm Ideal for kids aged 8-10 years old. Specifications Height: 26.5 cm Width: 3.5 cm Depth: 15.5 cm Weight: 0.16 kg Manufacturer: Galt Manufacturer Number: 1003325 Our Product Number: 378588 Safety Information: Warning: not suitable for children under 36 months. Small parts - choking hazard