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Step 1: The Base
it is a very simple base but is works good
Step 2: The Trigger, the Swing and the Rubber-band-holder
you need too make make these thins for your mini catapult!
Step 3: Putting All Together
how to put all the things together into the catapult
Step 4: Putting in the Rubber Band
.: almost done :.
Step 5: Loading
press the red button to launch ' fire in the hole '