Rear Hub Bolt Sheered Off

Has anyone had this issue before? My 10 year old was just cruising around the neighborhood and the rear axle/hub bolt sheered off.

How do I even remove it and get a replacement?

Has anyone had this issue before? My 10 year old was just cruising around the neighborhood and the rear axle/hub bolt sheered off.

How do I even remove it and get a replacement?