training wheel stand

Winter is coming. My son wanted to continue riding his bike even though there was snow on the ground, so he came up with a pretty neat idea. He decided to place his training wheels in my shoes to lift the back wheel off the ground. I really liked his ingenuity but I also need to use my shoes on occasion , so I had him help me design a solution for it. If you want to see my design process I did put this on instructables.com. It is super simple and can be found at https://www.instructables.com/Kids-Training-Wheel-Stands/