New Stemnex Flat 6 Model Engine STEM Toy Building Kit

Selling a brand new Stemnex Flat 6 Model Engine science kit. This retails for over $110 online. It is a premium educational building set with over 320 parts that builds a fully working, motorized replica of a 6-cylinder car engine with real mechanical movements, LED spark plugs, and realistic engine sounds. Great hands-on learning activity for preteens, teenagers, or car enthusiasts aged 12 and up. Condition: Brand new in box with factory seals intact. Accepts cash, trades, e transfer.