Motor-Works®

Build a real working battery powered 4-cylinder model engine with real lights and sound. Watch the spark plugs fire and the valves open and close. See how the pistons fire and watch the belts and fan turn. Includes: Over 100 parts that screw together easily, and detailed instructions. Requires two AA batteries (Not included).

Features:

• Smithsonian motor - works
• Includes 35" x 23" poster
• Build a working model of a 4 - cylinder engine
• Valves rock, spark plugs fire and pistons drive crankshaft
• Battery operated moving parts and lights
• Watch the spark plugs fire and the valves open and close
• See how the pistons fire with the correct timing and watch the belts and fan turn
• Build a real working battery powered with real lights and sounds
• Uses 2 'AA' batteries, not included
• Ages 8 and up