Create 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.
8 years and onwards
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Create 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.
8 years and onwards
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