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·RELATED QUESTION

What are some of the cleverest inventions and ideas ever? Where can you purchase them, if possible?

Possibly some of them are the smartest inventions...

A show piece that can be disassembled to a sofa set and a centre table.

2. An automatic water pumper that quenches your dogs thirst.

3. A water bottle with some secret space.

4. Different Coca-Cola bottles for different uses.

5. A comb-cum-bottle

6. An ice-tray that produces diamond-shaped ice cubes.

7.

8. A ceiling hammock.. What a bliss!!

9. A cycle that has flexible structure that it can be tied around like this anywhere.

10. A shower with LED lights

that changes colour according to

the room temperature.

11.

12. An ice cream cup that comes with a lock.

13. Carpet alarm clock.

14. Waterproof touchscreen keyboard.

15. A toast-cum-omelette pan. A real time saver!!

16. A coffee mug that indicates temperature of the coffee...

17.

18. A pillow that wakes you up by the time you set...

19. Sleepers with LED lights which helps you to see the floor even in the dark.

20. Shark tea bags

Thank you so much for such an overwhelming response to my answer. Thanks upvoters :))

I'm adding a few more pictures to the answer, and hope you will like them too.

21. Pizza box oven

22. selfie toaster

23. Cookie cutter tray

24.

25. 3-D pen

26. Clear kayak

27. Linux smart pen that vibrates when you have spell something wrong.

28. Planet plates

29. Galaxy night light

30. Weight measuring chopping board.

That's it for now... will add more later :))