Smithsonian Motor Works
Item # 22693
With Lights & Sound! Build a working model of a 4-cylinder engine with lights and authentic engine sounds! Valves open and close, spark plugs fire, and pistons drive the crankshaft--just like a real internal combustion engine. Kit contains 100 pieces and 35" x 23" color poster with instructions. Assembled: 11" x 8" x 7". Uses 2 AA batteries and requires Phillips-head screwdriver and scissors for assembly, not included. Ages 8+. WARNING: Choking Hazard - small parts. Not for children under 3 yrs.