Today I built three lego contraptions and I think that they are really cool and could be used in a Great Ball Contraptions. The first creation could be used as a ball launcher, the second, a path switcher, and the third, a ball bumper for moving the balls a certain way.
The Launcher
This creation is used to launch things across a room by, 1: pulling back a rod, 2: fitting something to launch into a hole, 3: letting go. The objects go far and fast until they hit a wall. Then they stop suddenly. I think that it would be a neat ball launcher.
The Screw
This device will go back and forth, back and forth, interesting any cat within sight of it. Not that I've tested it! It could be used as a ball track switcher by pushing a ball into one shoot or another in a ball contraption.
The Randomizer
This another way to do exactly the same thing as above, but with more pieces and some specialized parts.
Can you spot the differences between the two pictures? Actually, this is supposed to show how it works... Lets see if you can make sense of these photos!
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