Fit a rear

axle cap over the attachment. You will hear this piece snap into place. See Figure 5. • While holding the wheel, line up the four prongs on the hubcap with the holes in the spoke of the wheel and snap into place. See Figure 6. Be CERTAIN that all four prongs Bounce House snap into place. Pull on the hubcap to be sure it is installed securely. • Repeat these steps on the other side. • Ensure that each wheel assembly is secure before using this toy. Pull on the wheels to be sure they are installed correctly.