To remove the mast for transport, pull back on the mast handle and pull the metal pin while turning it counter clockwise to unlock it. 

Pull up on the mast to release it from the base.

Pin is in locked position

For easy transport the KidWalk can be taken apart into three pieces 1) Top  2) Base and 3) Wheels

Rotate the pin clockwise to lock it in place.

2.  Frame Base

Replace mast on pegs, wiggle the mast in place, turn pin clockwise to lock it.

3. Wheels

Pull the metal pin out and turn it counterclockwise to unlock it.  Pull back on the mast to make it easier. Now the mast can be lifted up and taken off.