Algodoo

this is a mini-part of the marble race Season one. way, that use marbles is looks like this: The marbles had needet killer, to delete a gate for the special platform, that stop marbles ranninig away as trampoline! Further the marbles is waiting general obstacle. IT IS A BOUNSIBG BLACK BALLS! They is working like this: they are flying in the air, and they are 4 of them. they bounsing marbles back, as they go up. They go up = back, they go down = foward. as marbles toches the platform in the end, they fly up, becose this platform is a trampoline! the black balls must kick the marbles in a very small hole. And may be you is thinking: "how the black balls is flying in the air, not tohcing trampoline???" very easy: the spinning ball lift s and lower the box, and the box is glued to the black balls, so they are flying. all this mehanism is no collithion gruop A, and it is all transporen, and no borders.