Newtons cradle balance balls continue in perpetual motion for 10-20 seconds due to the resistance of the air and friction, It is many methods to pay, such as one balls rise up in one side.
Suitable for children to experience the fun of mechanics in the process of playing this fun gadget.
Place of Origin:China
Use:Office desktop decor, Business gift
Logo:Custom logo
Color:As pictures
Acrylic simple square Newton swing ball Office desktop decoration creative gift
$2.77
Newtons cradle balance balls continue in perpetual motion for 10-20 seconds due to the resistance of the air and friction, It is many methods to pay, such as one balls rise up in one side.
