Christian Liljedahl

LED light & Water colors

Exploring the combination of different colors of LED-light on water color. Showing kids, that mixing colors is a bit more complex than taught in kindergarten. The colored light is just normal DMX rgb theater lamps. Some had a manual DMX-mixer, other I coded a little Arduino-thing to pan through the

Kids moving heavy stuff

A workshop teaching Kids about levers, pulleys, rollers and chain hoists. Moving a shipping container using manual force only. I brought all the heavy lifting equipment from illutron and taught the kids how to move heavy objects using manual labor only.

Playhouse

Made a little playhouse for the kids in the garden. Custom made to fit snugly into a corner, so the old angry people didn't get a heart attack. Went through quite a bit of sketches before the final shape was there.

Marshmallow roaster - voice pitch controlled

Using Max to capture the pitch of the voice and a pneumatic piston to move a gas torch. Sing the right note to make the flame hit the marshmallow. This little fun project was done for an exhibition at Godsbanen in Aarhus of the Underværker campaign by Realdania. During the

Floating or Sinking

Building boats and experimenting with buoyancy and ship stability. I made a little "kit" from acrylic plates, to have kids do easy experiments with various boat shapes. Taping the sheets of acrylic together made for quick changes of design.

Christian Liljedahl © 2026