Project: Placing the support and traction elements of the robot

The back caster
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You will need:
1.- Materials:

• 1 x big paper clip (or some wire)
  
• 1 x plastic or wooden pearl.
  

2.- Tools:

• Pliers
• Glue gun

You can make a long caster to prevent the front to tilt. 


Motor grip
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The shaft of the motor is the rim and the heatshrink is the tire. Since the robot rests on the shaft of the motor to move around, you will need some grip.

Option 1: You will need to shrink the heatshrink onto the motor shaft. We can use a heat gun, a lighter or the tip of your soldering iron.

You will need:
1.- Materials:

• Heat shrink that will fit over the motor shaft.
  

2.- Tools:

• Lighter
• Scissors

Option 2: Water connectors.