THE CONVEYOR CHAIN MECHANISM – THE HOOKS (2)

The hooks made from hair clips / bobby pins were successful at picking up the marbles, but not at dropping them off at the top of the run. The balls were mostly falling down the chain before reaching the first plaster piece.

To combat this, I added a second clip, which acts as an extension to the marble run. When the hooks reach the top and begin to turn upside down, the extra clip catches the balls by the chain and allows them to roll straight onto the run as the hooks angle down.

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