Image:

Exclude from the Tools list. This is "sandboxed".:
HOW TO:
Find an old BMX bike, ideally at the dump for FREE. 16"-20" wheels work best
Cut apart frame as per photo. Reuse rear triangle for wheel, reuse headset for pivot point.
Weld in some 1" square tube for a deck to your liking.
Done.
Woooo!