Feature:1. This magical sand pendulum is made of quality plastic and rubber, which is safe and not easy to break.2. The magics of the sand pendulum has been studied for centuries and now you can bring this unique wooden accent to your desktop.3. Start this pendulum gently swinging, and watch the trail the pendulum takes through the sand, swinging slowly back and forth into beautiful elliptical loops and whorls.4. Different start angles provide different patterns, witness the beauty of gravity and momentum at work.5. Suitable for office, study, living room, bedroom, desktop accessories, an ideal gift for your friends and kids.Specification:Item Type: Sand PendulumMaterial: Plastic and RubberProduct Size: Approx. 39 x 16 x 18cm / 15.35 x 6.29 x 7.08 (Manual Measurement, There Are Small Errors)Product Use: Desktop Decoration Package List:1 x Base Plate1 x Support1 x Metal Cone1 x Hook1 x Sand