We had a set of kitchen scales with a wheel at the back which you turned to adjust the needle to zero. This wheel was shaped like a 50p coin, so I used to think you had to insert 50p every time you used the scales, and that the coin had got jammed in the slot.
A childhood belief about around the house

others believed things like this
- I once thought that there were little mice under the wheel on Wheel of Fortune making the wheel move— Kara
- I used to believe that contact lenses were made out of fish scales— ddm
- My sister ate fish food one day and she was convinced that she was going to grow scales— leohauoli
- I used to believe that coin change could turn into actual paper money if you left it alone for a long time. — Marcus O
- Because of cartoons, I thought that to drive you'd just turn the steering wheel back and forth constantly. — Mitsuki
- I used to believe that the bigger the coin was, the more it was worth.— Benjamin