Tennis3
Jenny writes –

“A Spud Cannon that can shoot tennis balls through plywood! I’m soo awestruck and want to make one!”Link.

Related:

  • Make a Spud Gun Instructions and 3D PDF – Link.
  • Make a Spud Gun – Weekend Projects: A Make Magazine … – Link.
  • The SGTC Mega-Launcher Spudgun – Link.
  • DIY Spud gun remix… – Link.
  • Made – Spud gun – Link.