Photo 1 of Thames & Kosmos Kids First: Intro to Gears STEM Experiment Kit for Ages 3+ | Build 4 Models, Learn About Gears, Power & Motion | Intro to Mechanical Engineering for Young Learners | Durable Parts

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Photo 1 of Thames & Kosmos Kids First: Intro to Gears STEM Experiment Kit for Ages 3+ | Build 4 Models, Learn About Gears, Power & Motion | Intro to Mechanical Engineering for Young Learners | Durable PartsPhoto 2 of Thames & Kosmos Kids First: Intro to Gears STEM Experiment Kit for Ages 3+ | Build 4 Models, Learn About Gears, Power & Motion | Intro to Mechanical Engineering for Young Learners | Durable Parts