sound triggered tri wheel fan car

by maxamum May 28, 2013

Balsa wood hand crafted car. Powered by little bits dc motor on the front wheel with a little extra speed from a fan bit on the back of the car. Car is trigger by the sound trigger bit.

Bits used: dc motor , fan, power , sound trigger, wire

Tags: Motion Fun & Games Around the house


  1. 1

    cut out sides of car you want and a 6 by 6 bottom

  2. 2

    glue all sides to bottom

  3. 3

    cut out a circle hole in middle and a square hole in front for front wheel

  4. 4

    put circuit together starting with power then sound trigger , fan , wire, dc motor and put all bits on top of car with double sided tape but dc motor put that next to square hole in front.

  5. 5

    slip wire through the circle hole in car and connect to the dc motor.

  6. 6

    put wheel on dc motor in the front and cut 2 2 inch pieces of square balsa wood and put the 2 back derby wheels in and glue to back of car and you are ready to go.

Bits used (5)

Accessories used (2)


Add this collection to get these modules and more for a price savings

Other Materials Used (4)

  • Balsa Wood 1
  • Derby Car Wheels 1
  • Glue 1
  • Paint 1

Tools (4)

  • Drill
  • Glue
  • Ruler
  • X-acto Knife and Saw

Other files

  • Be the first to comment!

Must be logged in to comment. Sign in. Not a member? Join now