Ravensburger Gravitrax Accessory Ball Box

The interactive bullet track system from Ravensburger. The Accessory Ball Box is a must -have for every gravitraxer! The 4 boxes in the cool design of gravitrax height stones are green, gray and white. Two of the boxes are full of silver -colored and colorful bullets, to add even more bullets to your job. With the Gravitrax Ballbaan system you can playfully discover gravity and with various extensions it can be enlarged for boundless construction and playing pleasure! Add even more speed with the expansion sets.