STEM Craft Kit - 25 Engineering Project Ideas - Invention Kit With Over 400Pcs Of Craft Wood, Propellers, Wheels, Hot Glue, Hydraulics And More

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Thames & Kosmos Hydropower Science Kit | 12 Stem Experiments | Learn About Alternative & Renewable Energy, Environmental Science | Parents' Choice

Elenco Snap Circuit Extreme

Molecular Model Kit, 240 Pcs Organic Molecular Chemistry Set, Atom Element Model Kit For Lessons In Chemistry, Molecular Structures Building Kit,

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Thames & Kosmos Genetics & DNA Lab 10X2.5X11 Inch