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As with any venomous snake
Build your own outer space laboratory satellite
plan your attack
but in the light
Twin-Screw Aircraft STEM Construction Kit, Educational Toy mantis As with any venomous snakeThis wooden STEM construction kit builds a battery operated Twin Screw Aircraft, which uses air propellers to convert the engine's power into propulsion power. This science kit is perfect for museums, gift shops, after school programs and summer camps, and more! Kit includes a full color instruction booklet and necessary tools. Comes in a peggable retail box for easy presentation!
US$ 55.99
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US$ 195.00
