Impulse - GraviTrax Extension Set Languages 1 The Behaviour of Charged

1 The Behaviour of Charged Particles

and accidents sometimes happen

coloured pencils

guide the ball bearing through all the stages to the end

The puzzle is unique in that it can be re-assembled in 3 different ways

Impulse - GraviTrax Extension Set Languages 1 The Behaviour of ChargedBuild new routes and create crazy trick shots, expand the marble run with new ideas, expansion sets to keep the ball rolling compatible with all GraviTrax & GraviTrax PRO sets & accessories Experiment with gravity to power your ball through twists, loops and turns in a race to the finish line great building game for boys & girls A GraviTrax Starter Set is required to use expansion packs & accessories. No batteries required. Other accessories sold