A balloon-powered sleigh is built to deliver presents, snow is made and covers Kevin's front lawn and holiday decorations are deployed in record time. Jakso 9 Kausi 1 Vuosi 2015

Kevin and Grant build supersized Rock 'Em Sock 'Em Robots, build a motorcycle with one wheel, and what it takes to survive the perfect storm. Jakso 8 Kausi 1 Vuosi 2015

Kevin and Grant build a submarine and see if they can survive at the bottom of a pool, supersize wind-up cars, and see if duct tape can stop a bullet. Jakso 7 Kausi 1 Vuosi 2015

The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz. Jakso 6 Kausi 1 Vuosi 2015

Can Kevin and Grant build an amphibious motorcycle that drives on the water? In an ultra-scientific mini-golf competition, who can make the most holes-in-one? Jakso 5 Kausi 1 Vuosi 2015

Kevin and Grant outfit cars with armour and weapons and face off in a demolition derby. Later, they build a lie detector and a chainsaw-powered chairlift. Jakso 4 Kausi 1 Vuosi 2015

Kevin and Grant build a homemade hydrofoil. Can they make it go so fast it glides over the water? The guys also learn if you can cook a steak with music. Jakso 3 Kausi 1 Vuosi 2015

The guys engineer a plan to survive a three-story fall without a parachute. Plus, how will they fare when trying to escape the powers of homemade quicksand? Jakso 2 Kausi 1 Vuosi 2015

Kevin and Grant become monsters of the fairway when they turn a golf cart into a monster truck. Plus, the guys take on the science of Spider-Man. Jakso 1 Kausi 1 Vuosi 2015

Kevin and Grant find a way to chill a drink in less than a minute. Plus, they play backyard astronaut in an attempt to send a camera to the edge of space. Jakso 10 Kausi 1 Vuosi 2014

A balloon-powered sleigh is built to deliver presents, snow is made and covers Kevin's front lawn and holiday decorations are deployed in record time. Jakso 9 Kausi 1 Vuosi 2015

Kevin and Grant build supersized Rock 'Em Sock 'Em Robots, build a motorcycle with one wheel, and what it takes to survive the perfect storm. Jakso 8 Kausi 1 Vuosi 2015

Kevin and Grant build a submarine and see if they can survive at the bottom of a pool, supersize wind-up cars, and see if duct tape can stop a bullet. Jakso 7 Kausi 1 Vuosi 2015

The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz. Jakso 6 Kausi 1 Vuosi 2015

Can Kevin and Grant build an amphibious motorcycle that drives on the water? In an ultra-scientific mini-golf competition, who can make the most holes-in-one? Jakso 5 Kausi 1 Vuosi 2015

Kevin and Grant outfit cars with armour and weapons and face off in a demolition derby. Later, they build a lie detector and a chainsaw-powered chairlift. Jakso 4 Kausi 1 Vuosi 2015

Kevin and Grant build a homemade hydrofoil. Can they make it go so fast it glides over the water? The guys also learn if you can cook a steak with music. Jakso 3 Kausi 1 Vuosi 2015

The guys engineer a plan to survive a three-story fall without a parachute. Plus, how will they fare when trying to escape the powers of homemade quicksand? Jakso 2 Kausi 1 Vuosi 2015

Kevin and Grant become monsters of the fairway when they turn a golf cart into a monster truck. Plus, the guys take on the science of Spider-Man. Jakso 1 Kausi 1 Vuosi 2015

Kevin and Grant find a way to chill a drink in less than a minute. Plus, they play backyard astronaut in an attempt to send a camera to the edge of space. Jakso 10 Kausi 1 Vuosi 2014

Kevin and Grant find a way to chill a drink in less than a minute. Plus, they play backyard astronaut in an attempt to send a camera to the edge of space. Jakso 10 Kausi 1 Vuosi 2014

Kevin and Grant modify a go-kart to beat a truck in a head-to-head drag race. Plus, the guys play paintball in the dark with homemade night vision goggles. Jakso 9 Kausi 1 Vuosi 2014

Grant and Kevin soar to new heights with a Giant Paper Airplane that can fly over 200 yards. Plus, they use pneumatics to create the Ultimate Beer Delivery. Jakso 8 Kausi 1 Vuosi 2014

Kevin and Grant turn a blast of air into a ring of fire when they build a Vortex Cannon. They use quantum physics to send a Levitating Racer around a track. Jakso 7 Kausi 1 Vuosi 2014

Kevin and Grant try to survive a 30mph ride in their Off-Road Soap Box Racers. Plus, a classic homemade Volcano gets supersized into a 3-stage eruption. Jakso 6 Kausi 1 Vuosi 2014

Kevin and Grant hit the streets to make the fastest motorised trike. Plus, they turn a childhood game into a risky test of accuracy with their water slide. Jakso 5 Kausi 1 Vuosi 2014

While exploring the principles of armour design, Grant and Kevin challenge each other to lawnmower jousting for backyard glory. What could go wrong? Jakso 4 Kausi 1 Vuosi 2014

Kevin and Grant test their skills when building a homemade hovercraft capable of crossing land and sea. Plus, how can a merry-go-round produce G-forces? Jakso 3 Kausi 1 Vuosi 2014

Kevin and Grant turn science into speed and turbocharge a Rocket Skateboard. Using a batch of homemade supersonic rocket fuel, what could possibly go wrong? Jakso 2 Kausi 1 Vuosi 2014

Kevin and Grant take on the role of rocket scientists and attempt to design the ultimate Trash Can Rocket using the lens of an old projection TV. Jakso 1 Kausi 1 Vuosi 2014

A balloon-powered sleigh is built to deliver presents, snow is made and covers Kevin's front lawn and holiday decorations are deployed in record time. Jakso 9 Kausi 1 Vuosi 2015

Kevin and Grant build supersized Rock 'Em Sock 'Em Robots, build a motorcycle with one wheel, and what it takes to survive the perfect storm. Jakso 8 Kausi 1 Vuosi 2015

Kevin and Grant build a submarine and see if they can survive at the bottom of a pool, supersize wind-up cars, and see if duct tape can stop a bullet. Jakso 7 Kausi 1 Vuosi 2015

The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz. Jakso 6 Kausi 1 Vuosi 2015

Can Kevin and Grant build an amphibious motorcycle that drives on the water? In an ultra-scientific mini-golf competition, who can make the most holes-in-one? Jakso 5 Kausi 1 Vuosi 2015

Kevin and Grant outfit cars with armour and weapons and face off in a demolition derby. Later, they build a lie detector and a chainsaw-powered chairlift. Jakso 4 Kausi 1 Vuosi 2015

Kevin and Grant build a homemade hydrofoil. Can they make it go so fast it glides over the water? The guys also learn if you can cook a steak with music. Jakso 3 Kausi 1 Vuosi 2015

The guys engineer a plan to survive a three-story fall without a parachute. Plus, how will they fare when trying to escape the powers of homemade quicksand? Jakso 2 Kausi 1 Vuosi 2015

A balloon-powered sleigh is built to deliver presents, snow is made and covers Kevin's front lawn and holiday decorations are deployed in record time. Jakso 9 Kausi 1 Vuosi 2015

Kevin and Grant build supersized Rock 'Em Sock 'Em Robots, build a motorcycle with one wheel, and what it takes to survive the perfect storm. Jakso 8 Kausi 1 Vuosi 2015

Kevin and Grant build a submarine and see if they can survive at the bottom of a pool, supersize wind-up cars, and see if duct tape can stop a bullet. Jakso 7 Kausi 1 Vuosi 2015

The guys turn chariots into speed demons by replacing horses with powerful motorcycles. Kevin and Grant find out what it takes to escape from Alcatraz. Jakso 6 Kausi 1 Vuosi 2015

Can Kevin and Grant build an amphibious motorcycle that drives on the water? In an ultra-scientific mini-golf competition, who can make the most holes-in-one? Jakso 5 Kausi 1 Vuosi 2015

Kevin and Grant outfit cars with armour and weapons and face off in a demolition derby. Later, they build a lie detector and a chainsaw-powered chairlift. Jakso 4 Kausi 1 Vuosi 2015

Kevin and Grant build a homemade hydrofoil. Can they make it go so fast it glides over the water? The guys also learn if you can cook a steak with music. Jakso 3 Kausi 1 Vuosi 2015

The guys engineer a plan to survive a three-story fall without a parachute. Plus, how will they fare when trying to escape the powers of homemade quicksand? Jakso 2 Kausi 1 Vuosi 2015

Kevin and Grant become monsters of the fairway when they turn a golf cart into a monster truck. Plus, the guys take on the science of Spider-Man. Jakso 1 Kausi 1 Vuosi 2015

Kevin and Grant find a way to chill a drink in less than a minute. Plus, they play backyard astronaut in an attempt to send a camera to the edge of space. Jakso 10 Kausi 1 Vuosi 2014

Kevin and Grant modify a go-kart to beat a truck in a head-to-head drag race. Plus, the guys play paintball in the dark with homemade night vision goggles. Jakso 9 Kausi 1 Vuosi 2014

Grant and Kevin soar to new heights with a Giant Paper Airplane that can fly over 200 yards. Plus, they use pneumatics to create the Ultimate Beer Delivery. Jakso 8 Kausi 1 Vuosi 2014