[Q]: Objective: plastic toys
[A]: can melt into poison vapors

[Q]: Objective: To protect walls from door knobs.
[A]: Simply cut a slit in a tennis ball and wrap it around the offending knobwhen it hits the wall, it will bounce right off rather than leaving an indentation.

[Q]: Objective: jar
[A]: stores jelly

[Q]: Objective: How can I cover the doorknob hole on an old door?
[A]:
Cover with a piece of plywood and attach with wood glue.