For all orders exceeding a value of 100USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item.

Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

♫【High Quality】：The Newton's Cradle is composed of a metal ball, a plastic bracket and a wooden base. Use nylon line of good material instead of cheap fishing line. 5 solid ball and fine fish line material, ensure the durability.

♫【Swing time】：When swinging the last ball and colliding with the other four closely balls, the first ball will be ejected, and only the one ball will be. When the two balls on the right swing at the same time and hit other balls, the two balls on the left will be ejected. Each swing will last 15-20 seconds.

♫【Gravity At Work】： See before your eyes as the Newton Balls transfer fall and transfer weight across the gadget. Drop one ball or two balls. You can see the energy transfer in such an astounding way! Watching the back and forth movement of the balance ball, gives you a day-to-day soothing experience.

♫【Office Desk Decor】：Show some character and express your love for science and physics with this decorating your office space. Can be meditative and fun to watch also!This Newton's Cradle is a perfect decoration for desks and tables,Show some character and express your love for science and physics,whether at the office or at home

♫【Science Gadget】: A perfect visual for science study of Newton's laws. Let learners feel the charm of science more intuitively and Let your kid gain knowledge in the toy, which make learning more fun. It is also very suitable to be used as an explanation prop in the classroom.