Gravitrax Starter Marble Run Set SS Baby Material Heavy-duty laminated cardboard Dimensions

Material Heavy-duty laminated cardboard Dimensions 6

These are easy to install and make it easy to climb up the tree and transition over to our award winning Slackers Ninjaline

Full-color matching picture under each piece

8 oz Dimensions 8 × 12 × 6 in Age 24 Months & Up

Gravitrax Starter Marble Run Set SS Baby Material Heavy-duty laminated cardboard DimensionsWith over 100 pieces and 18 different construction elements, the GraviTrax Starter Set offers everything you need to begin building your own action packed track systems. Discover how the laws of physics affect the journey your marble takes with curves, junctions, freefalls and even a cannon. Experiment using different heights and angles to control the speed of the marble to get it to the finish. Contents Instructions (D, F, EN, NL, E), construction