Thames & Kosmos Ooze Labs Fast-forming Hot Ice Crystals

Experiment with instantly forming sodium acetate crystals that produce heat. Ooze Labs are fun and simple science experiments in big chunky plastic test tubes! Each Ooze Lab tube contains a simple science experiment to create a safe material that is both fun to play with and chemically interesting.

Features:

• Sneaky Science: Introduces chemistry in a fun and authentic way
• Compact & Convenient: Durable plastic test tubes serve as portable "lab"
• Giftable: Perfect for stocking, stuffers, gift baskets, or party favors
• Safe: Uses non-toxic materials; does not contain Borax
• Collectible: Mix-and-match or collect all 9 tubes!

Ages: 7+