The plastic-errific beds! Can hold not one, not two, but THREE kludgers! Magnificient!
Instructables user dhouggy wanted to ride his bike indoors but didn't want to pay hundreds of dollars for a trainer or professionally-made roller. So with a couple 2x4s and some PVC pipe he was able to craft this working homemade model for just $50.
This should have been the only trap set in Home Alone 4, with the rest of the movie a thrilling court drama about whether or not to try the boy as an adult for manslaughter.
~NSHA