This may be dangerous.
Catapult marble machine.
Let s build a catapult.
Wooden toy tv 3 585 views.
Which simple machine is needed for a catapult to work.
First build catapult model c3 and try it out.
Follow building instructions c pages 16 to 30 steps 1 to 16.
5 00 sling shot glider.
38 cms in length.
The catapult set includes over 80 pieces to build and create your own marble and gear run.
Once completed the spring loaded shooter launches the marble to the top of the build where the track and the fun begins.
All techno gears marble mania sets are interchangeable and will require a minimum of 1 2 hours of construction for completion.
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