New idea involving springs to send the balls back to the top

[MrMathsCoder]

By using a spring, you can manage to send the balls from the bottom, to the top, like this:

The yellow object sticks out of the green section a little, and is used to push the spring down. Once released, The spring will launch the ball up. The red line can be pushed down and pulled up to determine where the ball will go.

Feel free to criticize or improve my design, everything helps!

[alyssa]

That is a neat design! How do you propose making the path for the marble to travel through to get to the top? Would it be something that clips onto the board?

[Rty]

Great idea - live this - infinite loop.

I would also like to see the introduction of a bell unit. Could be used for a timer unit fir eg.