Useless inventions1. Non stick Cellotape
2. Solar Powered Flash Light
3. A black highlighter pen
4. Glow in the dark sunglasses
5. Inflatable Anchor
6. Smooth Sandpaper
7. Waterproof sponge
8. Waterproof Teabags
9. AC adapter for Solar powered calculators
10. Fireproof Matches
11. Fireproof Cigarettes
12. Battery powered Battery Charger
13. Seatbelts for Motorbikes
14. Hand powered Chainsaw
15. Inflatable Dartboard
16. Silent Alarm Clock
17. A Pedal powered wheelchair
18. Braille Drivers Manual
19. Double sided playing cards
20. Ejector seats for Helicopters

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