Pendulum, Cradle Of – Swing Balls Swings Desk Desk Decoration 18 * 12 * 18cm

High Quality Materials The cradle is made of high quality metal steel and base in solid wood and nylon thread. It is more durable and will not break easily. It is shiny, anti-corrosion and not easy to rust. It can be used for a long time.

Educational and Scientific Games PendulumAccording to the laws of conservation of plan and conservation of energy, the metal ball will not sway indefinitely due to resistance. Usually, under normal circumstances, the ball will oscillate for about 15 seconds. However, due to different strengths and environments, the swing time will also be different. The perfect educational decoration that can embrace the mysteries of science.

Excellent Office Decoration This is a very interesting decompression ball that can hit other balls with one ball and swing. (Mini cradle ball, please do not vigorously swing the metal ball) It is very suitable for decoration in offices, homes and other indoor places.

Stress Relief Suitable for children and adults, ideal for eliminating boring time and stress relief. It is a high quality desktop decoration for an office or a home. The apparatus demonstrates the conservation of plan and energy through a series of rotating spheres of the same size. When a ball at the end is lifted and released, the resulting force crosses the line and pushes the last ball out.

The Best Choice for Giving Gifts A cradle with a cradle can explain physical knowledge your child’s story and it can also help you explore the mysteries of the natural sciences. This is a great gift for your friends, family and children.

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