There are certain things that don't need to be reinvented, like the wheel.

But once in a while, someone transforms an everyday object no one thought could be improved.

Here are some of the best redesigns of regular household objects we've recently seen.

1. This kitchen table doubles in size in mere seconds.

fletcher expandable tableVimeo

The Fletcher Capstan Table expands from a standard 6.5- or 10-foot table to one that measures anywhere between 20 and 30 feet across.

The round tables come in four standard sizes, and expand by simply rotating the top 180 degrees manually or electronically by remote. The tables are customizable, and range from $50,000 to $70,000 on the UK Fletcher website.

2. “LiquiGlide” allows condiments to flow effortlessly out of a bottle.

liquiglide gifLiquiGlide

LiquiGlide is a coating of non-toxic materials that allows every single drop of your favorite condiment to flow out effortlessly, reducing a ton of waste.

Invented by five MIT students and their professor, LiquiGlide was named one of Time’s Best Inventions of 2012 and came in second in MIT’s $100,000 Entrepreneurship Competition. The inventors currently create the coating for specific clients.

3. These ‘invisible’ bike helmets inflate on impact.

hovding invisible bike helmetVimeo

The Hövding, or invisible bike helmet, is the brainchild of two students at the University of Lund. The Hövding is actually an air bag that uses a helium gas cylinder to inflate when its sensors detect a sudden jolt.

The airbag is like a hood, except it’s shock absorbent and able to withstand multiple head impacts. The helmets are expensive, retailing on Hövding for more than $400 (£299).

4. An Austrian artist reinvented the door with origami panels.

torggler evolution door large gifYouTube

Artist Klemens Torggler's Evolution Door is a 4-panel "flip panel door" that opens and closes elegantly as though it's made of pieces of paper. 

Torggler has a few variations on this door, including one with origami-esque triangles that fold out to help the door move, and another system with rods that rotate two square panels. He sells them on his website for an undisclosed price (which depends on materials and design).

5. The toilet of the future folds up to save water and space.

iota toilet large gifYouTube

Two British university students invented the Iota toilet, which folds in after use. Its creators claim it uses 50% less water than a stationary toilet, and is also comparatively smaller, so it can fit into tiny bathrooms. The  rimless design also makes it much easier to clean.

Currently the Iota is just a concept, but with an overwhelming Internet response, it could become a reality.

6. These light bulbs are Wi-Fi-enabled, multicolored, and smartphone-controlled.

lifx lightbulbVimeo

First funded on Kickstarter where it raised more than $1 million, LIFX is a new kind of lightbulb that is not only multicolored, but can be controlled through any device with Wi-Fi and an app.

The bulbs can last up to 25 years, and have a lot of cool functions. In addition to changing colors, there's a sleep mode that dims your lights at night and brightens them in the morning, as well as a switch you control with your phone. The bulbs sell at LIFX for $99.

7. A shapeless water blob could replace today's water bottles.

ooho water blobYouTube

Ooho is a biodegradable and edible membrane made of brown algae that can hold water. The flexible water bottle kind of resembles a silicone implant, and is easy to break and sip from.

Ooho was developed by three London design students who were aiming to make something sustainable, durable, and cheap — it only costs two cents to make, though the bizarre shape could prove problematic for on-the-go drinking. Ooho currently remains a prototype.

8. This regenerating candle can be reused again and again.

candle rekindle gifBenjamin Shine

Called the Rekindle Candle and designed by artist Benjamin Shine, this candle holder collects melting wax to form a new candle in the base.

As the candle burns, melting wax drips down from the candle and accumulates inside a transparent stem with a wick. Once the candle is completely melted, you can crack open the mold to remove a new, fully formed candle (you can then start the whole process over again).

Due to an outpouring of support, Shine's prototype is now coming to market.

9. An inflatable, revolutionary car seat will change the game for parents.

volvo inflatable car seatYouTube

Volvo’s new rear-facing car seat inflates in 40 seconds using an integrated pump. It only weighs 11 pounds, which is about half the weight of a regular car seat. Deflated, it fits neatly into a backpack, especially convenient for parents traveling with a child.

The reinvented car seat, made with a fabric that can sustain high internal pressure, was originally developed by the military and is now used by the boating industry. There's no word on when the inflatable seat could come to market, but hopefully it will be soon.

10. This nightlight keeps outlets free and lasts for 25 years.

SnapPower night light gifSnapPower

The SnapRays GuideLight went absolutely crazy on Kickstarter after being posted in March, raising nearly $470,000 over its initial goal.

It’s pretty easy to see why, since the light replaces bulky night lights that take up outlet space, and is easy to assemble. You can pre-order the SnapRays GuideLight through creator Jeremy Smith’s website at $15 for one, $42 for three, $65 for five, and $120 for 10.