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Simple wooden bike trolley - hand tools only - back wheel attachment

Method to create a simple bike trolley, using up-cycled materials. Easily fixated to every bike (adult size). Holes on the board help attach any kind of cargo. It’s made out of wood and simple hand tools, no welding required! Dimensions are detailed and can easily be adapted to the material available. (price depends of what materials you use, of course!).

• Easy
• 2 day(s)

Solar Oven (box-type oven)

Box or a parable shaped, the solar oven makes it possible to cook your food using the sun rays.

• Easy
• 1 day(s)

Solar air heater

Solar air heater, for any type of house, by Guy Isabel.

• Medium
• 2 day(s)

Black Soldier Fly breeding

This tutorial aims to facilitate the understanding of the life cycle of the black soldier fly and to learn how to grow it for domestic use. This technology was documented during the stopover of the Nomade des Mers expedition in Malaysia. The company EntoFood, which we visited, has been doing research on these flies for nearly 8 years and is preparing to launch its large-scale production unit. It will allow the treatment of 300 tonnes of organic waste per day!

• Easy
• 1 day(s)

Solar lamp with reused lithium cells

This tutorial allows you to make a solar lamp equipped with a USB charger. It uses lithium cells that are reused from a old or damaged laptop. This system, with a day of sunlight, can fully charge a smartphone and have 4 hours of light.

• Easy
• 2 hour(s)

200W Wind Turbine

The hand-crafted 200W, 4 ft wingspan Piggott wind turbine.

• Hard
• 20 day(s)

Micro gasifier stove

Build an economical and transportable wood cooking system.

• Very easy
• 1 hour(s)

Fogger

Fogger allowing to have an atmosphere saturated with humidity and at room temperature. Ideal for fruiting mushrooms.

• Medium
• 2 hour(s)

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