Discovery Crystal Growing Aquarium by Horizon Group USA, Great DIY STEM Science Experiment, Crystal Creations, Multicolored (70071);

Explore simple chemical reactions that result in gorgeous crystal formations with the discovery crystal aquarium! decorate and personalize the see-thru aquarium with a fun graphic background and decals, then combine the crystal growing solution and crystal growing seeds. Watch as the crystals grow before your very eyes! after a few hours your blue, pink, green and yellow crystal creations will be sparkling. Experience the fascinating science behind crystal formations and encourage observation and curiosity with this hands-on activity kit. Recommended for scientists 12 and up.