If at first you don't succeed
Not only, but also : Toys edition
Independence Day
100

A chemist working for 3M was trying to make a super strong adhesive for the space industry. He was only successful in making a weak, temporary adhesive he originally use to hold bookmarks in place until they were sold as these.

Post Its

100

Not only: Was I the first toy advertised on TV

But also: I became a animated movie character voiced by Don Rickles.

Mr. Potato Head

100
This country has had the most countries declare independence from them with 62-65 countries depending on interpretarions.

Great Britain (counting the British Empire)

200

A chemist was stirring a bowl of chemicals with a wooden stir stick. He then tried to wipe the chemicals of on the table and the stick lit on fire. These were invented.

Match sticks

200

Not Only: Is the earliest depiction of me from a 2,500 year old Greek urn

But Also: You can use me to walk the dog, rock the baby, and go around the world.

Yo-Yo

200

This country is the most recent to had fully recognized sovereignty by ending a civil war and becoming part of the United Nations in 2011. 

South Sudan
300

A candy bar melting in a pocket while the person stood next to a radar-related vacuum tube led to this invention.

Microwave

300

Not Only: Was I a late 1990's collectible craze

But Also: At one stage, I made up 10% of eBay's total listings.

Beanie Babies

300

The Declaration of Independence was published on July 4, 1776; however, this is the date the vote actually happened and what should really be US Independence Day.

July 2nd

400

Now used to wrap fragile items, bubble wrap was originally invented to be a 3D, textured version of this household product.

Wallpaper

400

Not Only: Was I designed by a missile engineer who married Zsa Zsa Gabor

But Also: a painting of me done by Andy Warhol sold for $1.1 million

Barbie

400

This country has declared independence more times in history than any other with 3.

1918 - Russian Empire

1990 - USSR

1991 - USSR (after dissolution) 

Belarus

500

When wine was taxed by the volume being shipped, merchants would boil the water off and add it again after shipping. Eventually, someone tried the concentrated wine and liked it. It was then distributed as this alcoholic drink.

Brandy

500

Not Only: was I not for sale, but adoption

But Also: There were countrywide riots in the 1980s to adopt me

Cabbage Patch Dolls

500

Lasting only 8 seconds, this is the shorted independence declaration in history, when the leader delivered a speech to parliament in 2017 and then immediately had them vote to suspend and start negotiations with Spain.

Independent State of Catalonia