DescriptionCreate cool bouncy balls from the coloured crystals! Simply layer up the crystals and place in water for a few minutes. Makes 2 large balls or 8 small ones. Contents: 8 x 10g packs of glow-in-the-dark crystals, 2 ball moulds, guide.Exciting and Educational: Inspires early STEM learningSuitable for ages 8 and up – not suitable for children under 3Shop online or visit our lovely shops in the heart of the Yorkshire Dales – Ilkley and Harrogate
