Description

• Due to air resistance and friction, the toy only lasts for 2? minutes of perpetual motion, and the swing slows down as time goes by, and finally stops
• Will be in a balanced state, just like a tumbler, as a very interesting toy, the desk toy can show a lot of unexpected movement states
• For who want to learn more about the laws of conservation of physics, the desk toy is an useful device that can provide benefits and entertainment
• A great desktop decoration and gift, for family or friends, and can also be used for teaching, very easy to install
• CHRISTMAS DECOR: Christmas decorations create a unique Christmas ambience with a host of indoor and outdoor decorations. christmas decorations indoor fill your home with a cosy Christmas atmosphere. christmas decorations outside let your home become the brightest scenery on the street! good christmas decor! christmas decorations indoor home decor.Suitable for various places such as home or office, not only can show the pendulum movement, but also help to learn the conservation