Iridescent is committed to supporting our community in the US and around the world. Read our CEO's statement on the recent immigration restrictions.

Build a Talking Truck

Build a truck that "talks" to alert when there is a problem.

Log In

Explore the full design challenge by joining a membership!

Learn more about memberships.

Inspiration Video

Suggested Materials

  • recycled bottle caps or playdough balls
  • rubberbands
  • straws
  • recycled cardboard
  • dowels or skewers
  • tape
  • scissors
  • batteries and battery connectors
  • alligator clips with wires
  • buzzer
  • aluminum foil
  • brass fasteners
  • paper clips (big and small)
  • binder clips
  • pipe cleaners
  • sticks or popsicle sticks

Difficulty Level


This design challenge may require complex motor skills, understanding of abstract concepts, or unusual materials to build.