What are the best inventions which aren't famous?

There are many inventions which aren’t famous, below are few of them:

1. Edible Water Bottle

2. Bladeless Fan

3. Universal Wrapping Paper

4. Mirror Wiper

5. Pizza Scissors

6. Baby Shower Cap

7. Onion Holder

8. Reusable Candle

9. The Inside-Out Umbrella

10. The Rolling Bench That You Can Use After Rain

11. The Dining Set for Dementia Patients

12. The Mini Power

There are tons of new inventions, I have mentioned few which are available in the market. There are a lot of prototypes which are in their initial stages. Hope to see them soon.

I will keep adding as I find them. ;)