A fun and stimulating challenge: First, grab the two cord handles;Spin (wind) the disc away from you: this stores kinetic energy in the twisting nylon cords;Then quickly pull the handles away from each other repeatedly;The energy in the cords is released, causing the discs to spin;Watch the sound & light show! Try to control the speed!

• GeoSpace Super Sonic Gyro Disc w Sounds and Lights

GeoSpace Super Sonic Gyro Disc w Sounds and LightsGeospace