You’d assume a teenagers life is just studying, video games and hanging out with friends — but not for these teenage tycoons. We took a look at some of the world’s top entrepreneurs born in the 2000s.

Thinking of starting a business? Feel like you need more experience? Meet the 13 children below who will leave you inspired with their business stories. Across Britain, America, and Australia, young CEOs are signing deals for their products, some worth up to $11 million! Their innovative companies include a trainer reselling website, a braille printer for the visually impaired and a childcare agency. UK company Comparethemarket.com has compiled profiles for 13 of the most successful entrepreneurs born in the 2000s. Children are naturally creative, but these entrepreneurs capitalized on their ideas and created huge businesses from scratch. Their companies often started while still living with their parents and attending school.

1. Braigo

Created by Shubham Banerjee when he was just 12 years old, this company creates Braille printers to help the visually impaired access expensive technology. His invention uses LEGO and robotics to design a product and sell it at less than half the price of others on the market. Banerjee is the youngest entrepreneur to receive Venture Capital funding.

2. Sneaker Don

At only 16 years old, American Benjamin “Kickz” Kapelushnik created a rare trainer reselling website as a hobby. As his business grew, he began to gain celebrity clients including DJ Khaled and Odell Beckham alongside an ever-growing customer list. As he made more contacts, he was able to bulk buy sought-after items. His sales are now worth over $1 million.

3. Nannies by Noa

While growing up in New York, Noa Mintz discovered a gap in the market for an easy way to locate the best nannies available in the area. She used her first-hand experience of being a child in the city and founded Nannies by Noa when she was just 12 years old. The agency provides services that include thorough background screening, workshops for nannies and ongoing support for customers.

4. Mr. Cory’s Cookies

Founded by six-year-old Cory after he sold hot chocolate on the streets of New Jersey to help his mother buy a new car. Now aged 15, Cory is the CEO of Mr. Cory’s Cookies. His delicious all-natural cookies have landed him collaborations with huge department stores including Bloomingdales, Macy’s, Viacom and Whole Foods. Investor and businessman Marcus Lemonis, invested $100,000 in the company when Cory featured on CNBCs The Profit in 2017.

5. Me & The Bees Lemonade 

When Mikaila Ulmer was four years old, she entered a children’s business competition. Fascinated by bees, she decided to sweeten her great grandmother’s flaxseed lemonade recipe with honey. She began selling her Me & The Bees Lemonade at youth entrepreneurial events and was an instant success. At the age of 11, she negotiated a $11 million distribution deal with Whole Foods. She donates a percentage of her profits to Texas Beekeepers Associations, hence her slogan ‘Buy a Bottle… Save a Bee’.

6. Mo’s Bows

Seventeen-year-old Moziah Bridges is the president and creative director of Mo’s Bows, based in Memphis, Tennessee. He’s been featured in Fortune’s ’18 Under 18′ and with aspirations to be a fashion mogul, he’s certainly on his way, after signing a seven-figure deal to make bow ties for the NBA.

7. Kidzcationz

Tired of receiving lousy treatment while on vacation, Bella Tipping decided to create Kidzcationz, a website which allows users to rate and review locations based on their child-friendly options. Also featured in Fortune’s ’18 Under 18′ list, she has a goal to help make the world a better place.

8. Pura Cosmetics

At 15, Rose Dyson was studying for her GCSEs when she decided to enter a competition. She created Pura Cosmetics, a cruelty-free, vegan-friendly lip balm business. Now 19-years-old, she still makes all her products by hand, which are stocked in shops and department stores across the United Kingdom. She started her business with $33.

9. iCoolKid.com

At age 14, Jenk Oz is the youngest CEO in Britain. When he was 8-years-old, he decided to create iCookKid, a website that covers everything from art, tech and science for children. Not only is Jenk an entrepreneur with $63,000 in revenue, but he also acts in West End theatre productions and records his own music.

10. HoopSwag

Brennan Agranoff has been a budding entrepreneur since age 7. Now 19-years-old, his first business, HoopSwagg, is a customizable sports apparel company which launched in 2013. With his business growing each year, and current revenue of $1 million, he hopes to focus on HoopSwagg full-time when he finishes college.

11. Gladiator Lacrosse

At 13-years-old, Rachel Zietz created Gladiator Lacrosse after being disappointed by the range of products available for lacrosse players. Her business was projected to make more than $2 million after she landed a deal with one of the largest sporting brands in the United States.

12. Luv Ur Skin

Australian Isabella Dymalovski started her business, Luv Ur Skin at age 8. At age 13, she appeared on Shark Tank and landed herself and investment deal worth $65,000 to start a natural skincare range. Now 17, the entrepreneur has launched her range in the United States and has her sights set on the European and Asian markets, too.

13. Not Before Tea

At age ten, British teenager Henry Patterson wrote The Adventures of Sherb and Pip. Now 15, he has turned his venture into a lifestyle brand called Not Before Tea. Named ‘One to Watch’ by The Independent, he’s also been featured in Forbes and was the youngest person to appear on CNBCs Breakfast Show.