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Learn about the science of cleaning and reusing dirty water with the 4M Clean Water Science kit. Thi..
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Features: ? The magnetic can be combined into an infinite geometry freely. ? Magnet toys occupy your..
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More than just a toy, the Aristo Craft Catapult STEM model kit provides a hands-on learning experien..
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Bio Energy Science Toy Kit Children Educational Fun Potato Electricity Experiments Fruit Toys
MM4837Specification: Condition: Brand new Color: As picture Material: Plastic + Metal Length of wire: A..
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Our original intention in designing these toys: Are there any interesting toys for kids or teens to ..
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Pay attention: Please read the instructions or pictures carefully, use the correct circuit diagram t..
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This fully assembled Memory Metal Heat Engine demonstrates the conversion of heat energy into mechan..
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Motor spins very fast; always wear safety goggles. Super Glue, provided with the kit, is “instant bo..
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Warm prompt: There are some small items, please prevent the child from swallowing. Suggestion age, o..
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