Produce constant acceleration with this fan cart.

• Fan provides constant force, resulting in constant acceleration
• Removable plate vividly demonstrates Newton's third law

Graphically illustrate uniform acceleration independent of gravity. A motor-driven propeller provides thrust to accelerate the cart along a smooth level surface.

Made of durable, lightweight plastic, the cart features a 1.5×12.5 cm propeller, four low friction wheels, and a 14×15 cm removable sail.

Powered by four AA batteries, purchased separately. Overall size: 11×19.5×11 cm.