Create vortex cannons using old boxes to destroy targets using air power!
Build and race balloon-powered Lego cars, propelled with air power!
Build a Solar Turbine that turns light energy into heat energy to spin a rotor using the renewable energy power of convection!
Create these paper whirly birds that spin and glide slowly to the ground.
Make a network of monorail lines and trains – both gravity-powered and balloon-propelled – in your home or garden!
Be a real Australian Ninja Warrior and make exploding ninja stars to hit targets or film with your smartphone in slow motion! Julian takes you through all the steps – just don’t attack people or pets.
Make a speaker and stand for your smartphone with just a tube, some cups or bottles – and a pair of scissors. Jonathan takes you through all the steps – even the dance steps!
Make this practically free toy construction set to build anything you can imagine. All you need is unwanted cardboard and a pair of scissors!