Let's Get Inventin'

Our young inventors have one more chance to prove to the judges that their invention is worthy of the $10,000 Patent Prize!

Diocescan School for Girls are challenged with building a human-powered escalator. The Gym Carrier works like a regular escalator but is powered by people exercising.

Martin spends two hours rolling and delivering newspapers every morning and he's OVER it. His 'Papernator' is a delivery robot that automatically rolls and fires newspapers by remote control.

Scott was inspired when he noticed an entire road crew was needed to place road cones one by one. Scott's automated 'Coneordinator' turns a mundane task into a fun one-man job.

We all love a good water bomb fight, but the fumbling, filling, and tying is tiresome. Samuel from Christchurch has invented a filling, tying, water-bomb launching machine.

Young Inventor Aidan Nathan hates his garden chores, so he invented the Mad Mans Mower, the 'Swiss Army Knife' of garden power tools.

Inspired by a hamster ball, Cameron has come up with his own version of a kiwi innovation. The 'Power Ball' is a motorized beach ball you sit inside and steer, powering over land and sea.

Joshua invented a V8-powered Hay Bale Launcher. Joshua fires up his idea by converting an engine to run on methane gas, launching food sky-high for his hay-loving heifers.

Which of our young inventors will win the $10,000 Patent Prize Package?

Sam's invention is the WCREA Fetch-Bot, a wall-climbing robotic extension arm that can retrieve a Frisbee from the roof of a building with the operator remaining on the ground at all times.

Joel makes a backpack that sucks Nerf darts up through his shoes and automatically feeds his high-powered Nerf Blaster.

Our inventor constructs a device to protect mailboxes from vandals -- and maybe help catch them!

We build the first ever team of Soccer Bikes, then play a 30-minute match!

Emily Cavell is a horse mad nine-year-old from Auckland who came up with an idea for a mechanical pony she can keep at home.

Madison Alexander from Palmerston North invents eco-friendly edible containers for yogurt.

Ruairi Griffin harnesses the sea's energy with a Swell Generator that powers a surf tow.

10-year-old Edmond Liu modifies his Ripstik.

Albert Todd's ambitious idea is a road that played a hit song when you drive over it. The aim is to ensure that drivers are rewarded with a song every time they drive at the correct speed.

12-year-old Matt Drummond from tiny Takapau in the Hawke's Bay wants to power up his kayak with a jet so he can go super-fast!

15-year-old Johanna Nee Nee has come up with a cool new toy that combines a pogo stick, a water pistol, and heaps of paint. The pressure from the bouncing pogo stick spurts paint.

Great Barrier Island's Tyler Sykes has an eco-friendly rat catcher to deal to the growing ship rat population there.

Rachel Barker, aged 14 from New Plymouth, gives everyone a hair-raising experience with her unique hands free hair tier-upper.

Keen fisherman Maddison von Sitter, aged 10 from Rotorua, experiments with rockets and gunpowder to fuel a high-powered fishing rod dubbed the Bait Rifle.

In the final episode Luke Nola presents the top four contestants to the judges, who will hear the young inventors who are given just one minute to pitch their invention vision.