It's a fun, simple science experiment in a big, chunky plastic test tube! Safe, too, and chemically interesting! This one produces heat!
For ages 7 yrs-teen, from Thames & Kosmos.
Safety Information
Contains Chemicals
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.
WARNING: CHOKING HAZARD - Small parts. Not for children under 3 years.-They may also like....
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