Megan presents her solar oven; Daniel presents his magnet-powered bicycle light.
A human-powered TV crank-remote; a hockey helmet protects players with revolutionary air-bag style cushioning; light-up snuggle toys; balloon rockets travel along zip lines.
A water-making dew collector; a computerised device that slows down audio and video in the classroom; school recycling stations; making towers out of paper cups.
A hands-free device opens and closes doors; a metal frame suspends swimming students in the air so instructors can teach proper technique; moving scarecrows; aeroplanes made of wood and tissue paper.
A wind turbine blade makes it possible for turbines to work at slow wind speeds; a self-driving, accident-free car; raccoon-proof trash cans; balloon towers.
A human-powered portable generator; a green water purification system using water hyacinths to remove harmful medications from water; a motorised bubble maker; a ping-pong-paddle race.
A three-point alarm that alerts drivers when moose cross the road; a mechanical barrier that stops cars at school crosswalks; robot sweepers; paper aeroplanes.
Holders that allow people without use of their hands to drink from a cup; a slingshot-type invention that delivers newspapers right to the door; plant-watering machines; Popsicle-stick towers.
A glove uses sonar to help people with impaired vision get around; a scanner automatically creates a computerised shopping list; transforming backpacks; towers made of geometric shapes.
A hexagonal-shaped solar cell/reflector; plastic made of wheat grass to make flexible screens; automatic wilderness-alarms; balloon cars.
A mirror reflector kit makes solar panels more efficient; a robotic forklift can be operated from a remote location for driver safety; cookie dunkers; ball catapults.
A portable device for strengthening core muscles; a portable swing with back and side supports for disabled children; alarm clocks; building and racing cars down a ramp.
Disposable shields for water fountains; a net for removing frogs from tanks; LED bathtub toys; the Ping Pong Tower Mini Challenge.
A super-strong, biodegradable packing material; motorised car seats for young children; robotic school buddies; bridges made of pipe cleaners.
A back warmer, hard-hat attachments and a pooper scooper; a fashionable invention.
A small-town boy makes the pitch of a lifetime to one of the world's most famous toy stores; making a pitch; basic brainstorming supplies.
A solar-powered bike-rack and lock system; a solar-powered toy car.
A sound meter; a school entrepreneurs club; making beauty products and donating the profits; a musical instrument.
Talking buttons for shoes; a girl's online business is going so well that her father works for her; how to make wearable inventions.
A solar-powered air-freshener; a bird-deterrent system; brainstorming; a toy rocket.
A learning game; a solution to the wedgie; inventing a game.
An indoor navigation device for visually impaired people; a girl's many inventions make life easier and safer; an automatic room-organizer.
A set of golf clubs that grow with the player; spring-loaded inventions; inventing a sport.
A hydration system that is part of hockey gear; a hockey equipment dryer; modifying sports equipment to better performance.
A fuel cell turns cow manure into electric voltage and methane gas; a food-friendly utensil; an alternative energy invention.
An electric motorbike; a flying disk; the ultimate paper airplane.
A new sound for a smoke alarm; an all-in-one card; making a piggy-bank.
A CPR training simulator; a device uses plant algae to clean a car's exhaust system; safety bikes; breath-powered sports cars.
A light, energy-efficient concrete; a robot can travel the toughest terrain; recyclers; launching water balloons at targets.
A device monitors pets in parked vehicles; a device keeps rail workers safe, while they repair train tracks on bridges; a motorised Robo Artist; bridges.
A rugged compost bin designed to keep bears out; biodegradable plastic; pet habitats; UFOs.
An invention uses magnets to charge bicycle lights; an oven harnesses the power of the sun to cook food using no gas or electricity; a solar-powered light; an egg Space Landing device.
A prosthetic hand; a portable ice-resurfacer; chairs; motorised dust bunnies.
An invention prevents planes from hitting birds; a bicycle can be ridden in the winter; towers.
An igloo-shaped portable shelter made of recycled materials; a gadget that helps to conserve water; water-balloon carriers; lemonade stands.
A pet collar that monitors the animal's food and medicine intake; an automatic wiper for vehicle headlights; catapults; robots.
An invention that helps hybrid cars' batteries to charge more efficiently; a shoe gadget that charges batteries; tough totes; water clocks.
Controls for people who use wheelchairs; an online lip-reading dictionary; a domino dash; baby cams.
Magnetized lights for school lockers; a paint additive that creates a slip-proof surface; towers; cat toys.
A device for cleaning gutters; an invention that makes it possible for hydrogen fuel cells to be powered by the sun; tracks for marbles; dog-ball launchers.