1. Stop kids from rolling off the bed.

Via Lifehacker
2. Cover trampoline springs.
3. Keep the shape of tall boots.

Via Answers
Related: 11 Incredible Ways to Reuse a Shower Curtain Liner
4. Hold brushes while painting.

Via Instructables
5. Protect car doors.

Via Two Feet First
Attach a 1″ x 2″ board to your garage wall and wrap it with a pool noodle that has been sliced in half.
6. Make a floating cooler.

Via Instructables
Cut pool noodles to fit the sides of a plastic container, then string a rope through and tie tightly. I like to leave a portion of the string hanging away from the cooler so I can tie it to my pool recliner.
7. Stop doors from slamming shut.
8. Prevent creases in pants.

Via Pinterest
Related: 15 Brilliant Household Cleaning Hacks
9. Create bath toys.
10. Organize and store extension cords.

Via Martha Stewart
