Discovery #MINDBLOWN Model Engine Building Kit, DIY 4-Cylinder Combustion Engine, Working Pistons Fan Valves Belts LED Lights, STEM Mechanic Engineering Construction Experiment Set, Kids & Adults Gift

Crank shaft Rotates the powerful pistons Valves Open & close like a real engine Spark plugs Glow with LED light Clear design Look through the clear case & see the internal action of an engine Interactive cables Deliver the action of a classic car engine with the battery pack distributor What age is this toy recommended for? This toy is recommended for ages 8+.

Does this toy need batteries? Yes, it requires 2 AA batteries (not included).

How big is the engine? 5.75in x 9.80in x 9.75in.

How many pieces are there in the set? The full set contains 104 pieces.

Does this come with all necessary tools to complete the model? Yes, this includes