Quadski
The Quadski looks like a blast, this is the ultimate toy! “Quadski is the third demonstration of Gibbs’ HSA technology following the successes of the Aquada and the Humdinga. It is capable of travelling up to 50 mph (72 kph) on land and water and makes the transition at the flick of a switch. Commenting on the launch of the Quadski prototype, Alan Gibbs, the founder of UK based