Science&Play science kit for creating phosphorescent crystals. Discover how to make translucent, colorful, fluorescent, and shiny crystals. - Encourages interest in natural sciences - Safe and fun experiments - A unique set for exploring chemical reactions of salts and creating crystals in very original shapes - Watch colorful crystals grow in water - The manual guides your child through each phase of the experiments Set contents: mold, base for paper model, special absorbent papers, protective gloves, 100 ml container with lid, 50 ml container with lid, tweezers, spatula, pipette, dyes, plastic bowl, crystal container, rock samples, brush, safety lock for test tubes, test tube with cap, bags with aluminum potassium sulfate, bag with plaster, bag with monopotassium phosphate, bag with monoammonium phosphate, test tube with strontium aluminate, illustrated manual (CZ, SK, PL, HU).