Balloon Hovercraft


  • CD/DVD
  • Balloon
  • Pop-top cap from a liquid soap bottle
  • Hot glue


  1. Glue the bottle cap on top of the CD hole
  2. Blow up the balloon and place on top of the cap
  3. Let go and let it hover

How does it work?

The air flow created by the balloon causes a cushion of moving air between the disc and the surface. This lifts the CD and reduces the friction which allows the disc to hover freely. Large scale hovercraft are capable of traveling over land, snow and water.

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