CRAYBOT – Creating a Drawing Machine, Form, Line

Students use a small motor and simple materials to create a line-drawing robot and experiment with how to change the way the lines are drawn. Later they use a variety of materials to create a body with robot characteristics and paint it with contrasting colours.

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CRAYBOT – Creating a Drawing Machine, Form, Line


  • Crayola Acrylic Paint
  • Crayola Paint Brushes
  • Crayola White Glue
  • Crayola Broad Line Markers
  • Crayola Glitter Glue
  • Hobby Motor - 9 Volts, 2 mm shaft
  • Duct Tape
  • Plastic Container, 500 g - 1 per student
  • Corks - 1 per student
  • 2AA Battery Holder with Wires and Switch - 1 per student
  • Assorted Found Materials and Containers
  • Googly Eyes
  • Water Containers
  • Paper Towels
  • Hot Glue Guns
  • Hot Glue Sticks


Step 1
  1. Remove some of the plastic coating from the ends of the wires on the 2AA battery holder.
  2. Join the wires to the loops on the motor.
  3. Turn the battery switch on to test if it works.
Step 2
  1. Choose several colours of marker.
  2. Place a piece of duct tape at the mid-point on one of the markers with the ends of the tape sticking out.
Step 3
  1. Place the marker with the tip facing down and at a slight angle.
  2. Tape it to the plastic container.
  3. Tape 4 or 5 markers around the outer edge of the plastic container.
  4. Make sure the tips all touch the table surface when the container is placed upright.
Step 4
  1. Tape the 2AA battery holder to the side of the plastic container.
  2. Tape the motor to the top edge of the plastic container.
  3. Make sure the shaft of the motor hangs over the edge of the container.
  4. Push a cork, off centre, onto the shaft of the motor.
  5. Make sure it is good and secure.
Step 5
  1. Place the craybot on top of a large piece of paper.
  2. Turn it on and see what happens.
  3. Experiment with where you place the cork on the shaft to see how that changes the kinds of lines the craybot makes.
Step 6
  1. Use other containers and acrylic paint to create a body for the craybot.
  2. Attach the body to the base.
Illustrated Crayon Character