I added some parts for the lights and changed the type of front tires. You could find it https://reb.li/m/254923 Functions: Double wishbone with caster in the front (for the stability, I gave up single arm solution) Rear rocker arm Steering and Driving with Control Plus The Control+ system is underwhelming due to the Hub's low current protection, even after tweaking the gearing. It lacks the speed and torque of my earlier works. I'll likely develop a Power Functions version in a white/green...