Knex Car Steering Mechanism With Ajustable Steering Ratio

This is my knex car steering mechanism and has ajustable steering ratio. It goes on a knex car. Please comment and tell me what i can improve on

Step 1: The Pieces

Connectors

Grey-3
Orange-1
Red-4
Yellow-3
Flex-4

Rods

White-2
Blue-4

Other

Blue Spacers-10
Grey Spacers-2
Y Connector-1

Step 2: All the Parts

This is ho you make it

1-all the parts
2,3,4-make these

Step 3: Putting It Together

Step 4: Steering Lock

This is the steering lock, it stops it from turning

1-make this

Step 5: Steering Ratio

This step shows you how to change the steering ratio