buy one at the 99 cent store
to build a laser you have to put a microchip in glue in on to a spring and put two lr44 + soda batteries in the laser i make homemade lasers that can reach up to 3,000 ft. this project will cost about six dollars in the u.s. .
laser light build
You don't, unless you get the laser treatments to burn it out, big bucks.
See my easy to build and affordable homemade rudder for a kayak. Search in YouTube for "Homemade Rudder System for a Kayak".
with tools and parts
To build a homemade automatic egg turner, you will need something that turns, like a rotisserie. Then you need to mount it on the door and attach a rod to the gears that will turn the egg trays.
get a shoe box, rubber bands, nails , and your creativity
If you are looking to make a homemade raft there are a few important details you must consider before beginning to build it. The raft must be light, sturdy and sufficiently buoyant. These characteristics appear easy enough. But I learned many valuable lessons when I tried to build a homemade raft of my own.Check out my page How to Build a Raft-How to Make a Homemade Raft on Hubpages for my information about my experience. (see link in 'related links' section below)
If you are looking to make a homemade raft there are a few important details you must consider before beginning to build it. The raft must be light, sturdy and sufficiently buoyant. These characteristics appear easy enough. But I learned many valuable lessons when I tried to build a homemade raft of my own.Check out my page How to Build a Raft-How to Make a Homemade Raft on Hubpages for my information about my experience. (see link in 'related links' section below)
It might be a little bit of a task to build your own homemade food dehydrator, but, you can learn how to make a solar powered one from a website called Mother Earth News.
WikiAnswers is not the right place to ask for instructions to build a comprehensive project. Try checking Instructables.
You cannot unless you have all the materials a real one is made from.