Descrizione
4M Science in Action: GLOW CRYSTAL GROWING in box 9x9x9cm, 14+ 4M Science in Action Grow your own beautiful glow in the dark crystal. This chemistry experiment produces a lot of fun on. The crystal grows up to a diameter of 5 cm and a height of 4 cm. The set includes the following: - 1 bag of white crystals - 1 bag of glow in the dark powder - Crystals holder - container - spoon - instructions