Geared Heart, hand crank upgrades

I really liked this set up, especially the large gear, when compared to the original. however, the axle was a little weak in my opinion, and it was a little bit of a pain getting the small gear to not skip teeth. Personally, I didn't mind that much... but it was a present for my daughter and I didn't want her getting frustrated because it wouldn't cooperate with her little 6-year old motor skills... so, I made a handle that spins freely and made a sturdier axle with the gear in place. It turns f