Step 4: Riveting the Arms and Front Wheels
Now for the arms use the 5/8" tube to rivet the two arm pieces together.
5/8" tube to put the hand onto the arm.
To connect the arm "stick" to the front wheel place on of the 7/8" tube through all the pieces with a washer between the arm "stick and the wheel pieces.
For the second arm/wheel attachment do the same thing except make sure that it is mirrored.