Make your own projector using a shoe box, duct tape, magnifying glass, and your smart phone! That's crazy! A projector would be nice.If I made this and used it during an observation either I could save us a lot of money or get my own projector.
How to make a DIY Rocket Stove from two tin cans We love Rocket Stoves! They’re easy to make and work so well because it doesn’t take a lot of fuel to cook a meal. There are 3 main ways a rocket stove is used, as a source to cook, a heating.