Build Circuit: Power + Roller Switch + Servo + Sound Trigger + Wire + Light Wire
Punch a hole into the center of the Cardboard box and mount the servo through the hole.
Tape a stick on the hand of the servo.
Create small figures using the cotton balls. Use the googly eyes for the eyes of the figures. Attach the figures to a bell each
Mount one figure on each end of the stick. Wrap the light wire around the box
Power up the circuit and watch them see-saw!