Orbiting Solar System Retro Gyroscopic force is a fascinating

Gyroscopic force is a fascinating and magical phenomenon

Once you've found your next target

Open the covers for bright illustrations - perfect for flights of inspiration

Adventures await

backed with Switzerland

Orbiting Solar System Retro Gyroscopic force is a fascinatingSet the planets in motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets, wind it up, and watch the planets revolve around the sun. Assemble this complex machine using snap together plastic parts to learn how the gears and wind up mechanism work to spin the model. Detail each planet with colorful, realistic looking printed planet graphics. Learn about the order of the planets, their