4M Kidzlabs Mousetrap Racer

Assemble this amazing contraption and learn how to harness the power of a mousetrap and turn it into the energy to operate this cool device. Speed across the floor over 15meters (50ft), with just a spring and string - no batteries required!

Features:

• Transform the power of a mousetrap into energy that will set this cool race car into motion
• Zoom over 15m across the floor with just a spring and string
• No batteries required
• 42cm long when assembled