Gakken Science and Learning Presents: Sparkling and Fluffy Crystal Laboratory (Ages 8 and up) Q750790

Grow crystals and uncover the secrets! Recommended age: 8 years and up Country of origin: Japan A kit for growing alum and urea crystals. Alum crystals grow in an aqueous solution, sparkling like jewels, while urea crystals develop into soft, beautiful, flower-like forms.