K'nex Differential

Hello guys, I saw some differentials on instructables and I was interested so I made one :D

Please comment, it's my first Instructable and I don't know if I made too many instructions.

Enjoy!

Step 1: Time to Count (Optional)

Parts needed:

• 1 big yellow or black gear
• 2 light grey gears
• 2 grey gears
• 2 little grey wheels
• 8 blue spacers
• 2 grey spacers
• 1 orange connector
• 2 yellow connectors
• 4 blue connectors
• 4 purple connectors
• 6 white connectors
• 1 little grey or purple connector
• 4 beige connectors
• 16 black connectors
• 1 white rod
• 6 blue rods
• 12 yellow rods
• 2 red rods
• 2 cut grey rods (see the lenght in the image)

You can replace the second cut grey rod by 1 yellow rod if you don't want to cut your pieces but the first grey rod

must be cut.

Total: 78 pieces

Step 2: The Base

Assemble these pieces as shown to make the base.

Step 3: The System's Parts and Assembly

Follow these images to make all the system's parts

Make sure that you didn't forget some parts!

Step 4: Utility of a Differential

This video will explain you how the differential works and what's the utility of that.

Step 5: Precision, If Needed