We made a CD Hovercraft which was quite fun! I've seen these all over the web and we just had to try it!
All you need to make one is:
permanent markers (optional)
flip top from dish soap or a water bottle
First we decorated the CD with permanent markers. Cassie really enjoyed this! Using sharpie markers is always a special treat!
Close up of her design.
Here is my design and Cassie's. A good lesson on radial symmetry or mandala art!
After designing the CD's, I used a glue gun to put some glue on the center to attach the flip top.
This is not the best picture but you can see the flip top is attached to the middle. After attaching, (quick drying with a glue gun!) make sure the flip top is pushed down so no air is released when you first put the balloon on!
Attach the balloon and your almost ready to make the hovercraft go!
Open up the flip top and push it along a bit and it will fly across a smooth surface....COOL!!! Make sure your balloon has a smaller neck or too much air will escape. We tried it with a larger balloon and we needed to put a rubber band around the neck! Here is Cassie watching it go!
It doesn't go as fast as you might expect, but it still was FUN and a GREAT science experiment on how a hovercraft works (propelled by air). Here is Cassie blowing it to make it move along faster! We had fun designing the CD and playing with the completed hovercraft!
(we sure did!)
Check out more fun with CD's:
CD Spinners from Irresistible Ideas for play based learning.
CD Garden Art from Irresistible Ideas for play based learning.
Video of a CD Hovercraft on YouTube to see instructions and one in action!