タイトルまたは説明

*item:newton cradle and balance ball *size:7.2"**6"*7.3" *material:plastic base+plastic frame*5metal balls. *balls diameter:*2.*3mm *function:best for office desk decoration, useful for promotion gift and best education toy for children to learn physic. *packing:1pc/two parts individul into an opp bag/1pc/color box/*6pcs/carton. *we can accept customer's logo print on the base or laser on the metal ball.