Code No.：AB1649 Product Name.：Ball track plug-in system Classification：Force& Motion Return Login

The ball track for small engineers. Here there is no concrete plan. You can let your imagination run wild when building. In particular, the size of the individual components is ideal for children. Simply plug the connector into the corners of the components and you can be all the parts combined. Includes 21 Y-components, 10 straight pipes, 4 curve tubes, 6 balls, 160 connector and 1 Storage Container