Feature

●* Material: safe ABS plastic, light but quality, around 4.2g/ 0.009lb per piece.
●* Size: around 2.4m/ 0.94inch each ball, just right for most large building blocks tracks.
●* With two safe gaps on each ball, which protect kids swallowed them by mistake.


Description

This marble run building blocks ball with cute face is made of quality ABS plastic. It is just right supplementary marbles for your available marble run building blocks tracks. Especially, this ball has safe gap so as to protect kids who swallow by mistake.