Ooze Labs 2: Hot Ice Crystals

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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.


    • Instantly form crystals that produce heat!
    • Test tube packaging doubles as the site for the experiment and storage for the final product
    • "Sneaky" science!
    • Perfect for party favors and stocking stuffers

    WARNING: CHOKING HAZARD - Small parts - Not for children under 3 yrs.

  • Thames & Kosmos was founded in 2001 by a science museum director and her son, who saw the great need and demand for better science education materials — resources for parents and their children that are more engaging, more effective, more relevant, and more fun.