When marbles drop into the spectacular marble canyon they are initially slowed down a little. But the further they roll along the canyon, the more they speed up, and soon they're making the dominos sway.
- discover the laws of physics in play: in the conical marble canyon marbles initially slow down and then speed up
- play till you drop: dominoes as marble stoppers
- the beech wood originates from domestic forests
1 marble canyon, 1 ramp, 2 rectangular blocks, 5 dominos, 6 marbles.