Gravity Creative Sand Pendulum
- 【Material】The Sand Pendulum Is Made Of Plastic, Iron Plating And Sand, Which Is Durable And Long Time To Use.Size: about 39x16x14cm
- 【Feature】Different start angles provide different patterns to witness the beauty of gravity and momentum.
- 【Educational Tool】The pit and pendulum gives viewers a firsthand experience of math and physics.The sand pendulum has been studied for centuries and now you can bring this unique wooden accent to your desktop.
- 【Toy& Gift】gravity sand pendulum is best for birthday /housewarming gift, decompression heal gift, unique kids toys.
- 【Suitable】for Office,den,living room,bedroom,desktop furnishing articles household.