They made ring-shaped wheels.
Adding this gave the wheel better traction.
It is the name of small wheels fitting together.
These are the oldest wheels.
It is a wheel and axle system
They were like the first cars.
Wheels will always inspire new ____________
In these places , people started to use running water from a river to turn large water wheels.
It a REASON why wheels were invented.
Someone living in this place invented the first axle system.
In Syria and Asia
Metal to the rim
Gears.
Chariots.