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Kids STEM & Steam kits

Haynes – Machine Works 4 Cyl Engine Mod

Original price was: $ 71,99.Current price is: $ 35,99.
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Kids Educational Games and Toys

Haynes – Machine Works Jet Engine Mod

Original price was: $ 71,99.Current price is: $ 35,99.
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Kids STEM & Steam kits

Haynes – Machine Works V8 Engine Mod

Original price was: $ 107,99.Current price is: $ 43,20.