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creating over 100 epic combinations to collect
Each micro-sized backpack includes six adorable surprises like stackable pencils
Marbles in a Tin Box feature colorful glass marbles neatly packed in a reusable tin
Whether constructing a café or racing cars
classroom use or gift giving
Smithsonian Perpetual Motion Machine type_garden creating over 100 epic combinationsExplore the fascinating science of motion and energy with the Smithsonian Perpetual Motion Machine. This interactive kinetic display uses steel balls and balanced motion to show how momentum and force are transferredcreating a continuous chain reaction effect. A mesmerizing STEM learning tool and desk display for ages 8+.
US$ 36.00
US$ 24.00
US$ 24.00