Smithsonian Motor-Works
SKU: 8991
Build a working model of a 4-cylinder engine, then hook up the cables to a battery box and watch the engine begin to turn. Watch the valves rock, spark plugs "fire" and pistons drive the crankshaft! Features battery-operated moving parts and lights. A STEM poster explains how internal combustion gasoline engines operate and illustrates the four cycles – intake, compression, power, and exhaust.
- Build a working model of a 4-cylinder engine.
- Valves rock, spark plugs "fire", and pistons drive the crankshaft.
- Features battery-operated moving parts and lights.
- Requires two (1.5V) "AA" batteries and a screwdriver (not included)
- Ages 8+
Related product
Regular price
$29.99
Regular price
$10.99
Regular price
$25.50
Regular price
$36.00
Regular price
$25.50
Regular price
$25.50
Regular price
$32.00
Regular price
$31.00
Regular price
$25.50
