Knex Motor Modification

Are you having the red battery motor of knex and are tired of changing batteries all the time? This is the solution! With this you modify the motors to ones to be plugged in!

Step 1: Gather Materials

First gather the materials.

Step 2: Prepare the Cable

First you preper the cable.

Step 3: Unscrew the Motor

Now you unscrew the motor. You just need that red half.

Step 4: Prepare the Red Lead

Veary simple, just screwing a hole.

Step 5: Using the Soldering Gun

Soldering gun

Step 6: Putting It Together

After you made this step you'll have to put 3Volt on the other end of the cable. Polarity is irrelevant because it still goes through the switch.