How to Make Wave Machine

We’re surrounded by waves! Sound and light travel as waves to our ears and eyes. Ocean waves crash onto the beach. Radio waves broadcast music to our cars. We even use waves to cook our food – in microwaves! Try making this wave machine to see how all different kinds of waves move! 


  1. Stools (2)
  2. Duct tape
  3. Scissors
  4. Wooden skewers (50)
  5. Gumdrops
  6. Rocks (2)


Gather your materials. Then, place two stools about 6 feet apart.


Place a rock or two on each one. 



Leaving about 1 foot of tape empty on each end, center the skewers along the tape, placing each one about 1 ½” away from the one before it. Waves can only travel things that are touching or connected. This is the purpose of the tape. A disturbance in one of the skewers twists the tape, causing a disturbance in the skewer after it and so on and so forth. 


Push a gummy candy onto both ends of each skewer. 


Tap the skewer on one end of the tape and see what happens! Did you see a wave form and roll down the line? 

DIY Details


Avg. Duration

2 hours

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