foguista
Sawdust and waste vegetable oil = firewood
Stupid little airgun
Adjustable alcohol stove
Homemade hand-crank flashlight
Homemade Water-cooled Stirling Engine (mark 3)
Low-noise fireworks
Fire starters
Homemade tumbler
Waste vegetable oil stove
Simple steam boat (part 3, the proper pop-pop engine)
Simple steam boat (part 2, twin engine)
simple steam boat (single engine, part 1)
tornado flame prototype
Glass jar candle holders
mini burner
Sawdust stove
Water-cooled stirling engine (mark 2)
Disposable lighter no more
Homemade portable wood stove
zinc from batteries
Magnetic spinning top
Solar lantern
Twig stove (1)
Deodorant can stove
match cannon + match rockets
anti-spill alcohol stove
Candle lantern
Copper coil burner
Mini charcoal grill for shashlik
spin-copter