Crystal Green Experiment Choose the colors you’d like

Choose the colors you’d like to see by coloring each tree with the 5 watercolor pens

EDUCATIONAL AND FUN FOR ALL: Perfect for siblings and friends to share

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High Quality: Made in Italy by Clementoni

Crystal Green Experiment Choose the colors you’d likeGLOWING CRYSTALS The perfect family activity. Become a scientist and grow amazing crystals that actually glow in the dark! INTERACTIVE LEARNING Theres no better way to learn. Children love exploring the wonders of science through hands on projects EXPLORE CHEMISTRY National Geographics premium learning guide will teach your kids the fascinating science behind this experiment REAL FLUORITE CRYSTAL You get a real fluorite crystal to compare to the