18 Of The Most Cool Inventions Worthy To Check Out

7. This British roadsign.

8. This clever warning.

9. The kid who decided to hedge their bets.

10. The door in this Alzheimer's ward designed like a bookcase to try to stop patients from walking out.

11. This picnic bench that has seating for small children, for adults, and a high chair.

12. This tyre that displays this message once it's been worn down.

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