A wheel and axle is a circular frame or disc attached to an axis that allows wheels to turn with a small movement of the axle. It was invented over 5,000 years ago in Asia, and while it is still a mystery who invented it, the wheel and axle principle can be found in devices like ferris wheels, waterwheels, doorknobs, car wheels, and sink handles.

2. A wheel and axle is a circular frame or
disc attached to an axis that or wheels
to turn.
The axle makes a small movement.

3.  The wheel and axle was invented over
five-thousand years ago!
 It is still a mystery of who invented it.
 It was made in Asia, 8,000 years ago.

4. A ferris wheel is a wheel and axle.
 A waterwheel is a wheel and axle.
 A doorknob is a wheel and axle.
 The wheels on a car are wheels and
axles.
 A sink handle is a wheel and axle.