Robot vs Trash At age 12, Anna Du built a robot to find and pick up plastic garbage from Boston Harbor. Her idea caught the attention of scientists everywhere. Saving the Ocean Anna's robot uses sensors and wheels to help protect sea life and keep the water clean.

Kid Power for Pollinators Irish teenager Fionn Ferreira invented a way to remove tiny pieces of plastic from water using a magnetic liquid. Helping Nature His idea helps save bees and other pollinators from dangerous microplastics in the wild.

LEGO for Good Shubham Banerjee built a working Braille printer using LEGO pieces when he was just 12. The printer made it easier and cheaper for blind people to read. Global Impact His project became famous worldwide, inspiring kids and adults to invent for others.

Color to the Last Bit At 11, Cassidy Goldstein invented a plastic tube that lets kids use broken crayons without hurting their fingers. Everyday Genius Her invention was patented and sold in stores all over America.

Cold-Ear Fix Chester Greenwood was only 15 when he invented earmuffs in 1873 after freezing his ears ice skating in Maine. Winter Classic Chester's "ear protectors" are still popular more than a hundred years later.

Easy Travel Benjamin Kapelushnik, age 14, invented a wheelchair wheel that folds up to fit in tight spaces. Helping Others His clever idea won awards and made life easier for wheelchair users.

Car Seat Saver At 14, Alissa Chavez invented a smart car seat alarm that warns parents if a child is left behind in a car. Safety First Her invention helped save lives and got news coverage across the country.

Kid Fashion Hit French teenager Jean Dauphant helped create jelly shoes in the 1980s, turning leftover plastics into colorful, comfy footwear. Cool and Eco-Friendly Millions of kids wore jelly shoes all over the world in the '80s and '90s.

School Security Anshul Samar, age 12, made a locker alarm to help stop thefts at school. Simple but Smart His alarm became popular in schools and was sold online.

Never Forget Again At 10, Sydney Loew invented a magnetic locker reminder to help kids remember books and homework. Organization Win This invention is used by students in schools around the country.

Helping the Homeless At 13, Hart Main started Man Can Soup to raise money for homeless shelters, inventing both a line of soups and candle holders from leftover cans. Paying It Forward His invention gave meals and jobs to people in need.

Frozen Treat by Accident Frank Epperson invented the Popsicle at age 11 when he left a cup of soda and a stick outside on a freezing night. Sweet Success His tasty creation became one of the world's most popular summer snacks.

Fashion for Hair At 10, Maddie Bradshaw invented Snap Caps-decorative bottle cap magnets for lockers that turned into a hair accessory hit. Young Entrepreneur Maddie's product line expanded and is sold in hundreds of stores.

Swim Like a Fish At just 12 years old, Benjamin Franklin invented the first swim fins to help him move faster in the water. Early Start His wooden paddles were worn on the hands, not feet!

Roll With It Robert Patch, at age 6, designed and patented a toy truck that could be taken apart and rebuilt in different styles. World's Youngest Inventor Robert still holds the record for the youngest patent holder in history.

Jump for Joy George Nissen was only 16 when he built the first trampoline out of canvas and springs in his parents' garage. Bounce to Fame His invention became a favorite at parties, gyms, and even in the Olympics.

Warm Wrists Kathleen Colson invented "Wristies" at age 10 to keep her arms warm while playing in the snow. Problem Solved Her idea is now sold in stores and helps kids everywhere stay cozy in winter.

Hands-Free Help Sixth-grader Brooke Martin created the T-Pak backpack to help students carry books, lunch, and supplies more comfortably. Making School Easier Her design won awards and helped many students lighten their load.

Underwater Fun At age 11, Richie Stachowski invented the Water Talkie so kids could talk to each other underwater at the pool. Cool Pool Toy His idea sold in toy stores everywhere and made swimming even more fun.

Creative Crafting Brian S. inventing Wikki Stix at age 12-a bendable, colorful stick that lets kids create endless shapes and designs. Art for All Wikki Stix are now found in classrooms, craft stores, and art projects worldwide.