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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 Solarbots: 8-In-1 Solar Robot STEM Experiment Kit | Build 8 Cool Solar-Powered Robots In Minutes | No Batteries Required | Learn About

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Learning Resources Engineering & Design Building Set, Multicolor

Roller Coaster Engineering | Thames & Kosmos

Dr. Stem: V8 Model Engine - 271Pc DIY Motorized Building Kit, Light & Sound, Realistic Effects & Action, Educational Manual, Science Play, Kids 12+

Catapult Engineering 6-In-1 Kit

Discovery Mindblown Model Engine STEM Science Kit