Gravitrax Starter Marble Run Set LIGHT and spin as far as

and spin as far as their imaginations will take them

Screen-free play promotes cognitive development and language skills through the joy of rhythmic storytelling

list-maker

make several for a garden mosaic path

16-mm (5/8-inch) gumballs and includes a small supply of gumballs to get started

Gravitrax Starter Marble Run Set LIGHT and spin as far asWith 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