You don`t need instructions to build one, use your creative skills and build your own.
If you have a home wine cellar and want to build your own wine rack, get instructions at WineRackShop.com for constructing a modular system. You can also find instructions at WoodworkersBookshop.com. These sites offer downloadable plans, material lists and detailed instructions: http://recipes.howstuffworks.com/food-facts/wine/build-wine-rack.htm AND www.ronhazelton.com/howto/wine_rack.htm
To build your own L-shaped desk, you will need to measure and cut the wood to the desired dimensions for the desk surface and legs. Assemble the pieces using screws or brackets, ensuring stability and support. Finish the desk with sanding and painting or staining as desired.
There are a lot of websites where you can get very simple instructions to build your own website so it is difficult to give you a concrete answer. There are some where you can build one in easy steps with easy instructions.
You could find instructions on how to build your own built in bookshelves on about dot com. There they have many step by step tutorials that would be extremely helpful. You could also find some helpful videos on YouTube.
On http://www.ana-white.com/ one can find a clear tutorial about building your own media console. There is also a PDF version available, so you can print the instructions if you want.
If you are planning on building your own oak shelving you can find free instructions on websites like Do It Yourself. Do It Yourself gives you step by step instructions for almost anything you want to build.
A good place to find instructions on building your own robot would be in the book 'Robot Building For Dummies'. The book offers a step by step guide to building robots and was written by Roger Arrick and Nancy Stevenson and published in 2003.
www.wheelchairramp.org has information and a manual on how to build them. There is also www.wikihow.com/Build-a-Wheelchair-Ramp
Yes, you need to start with a base and hammer and nail to make the desk portion. There will be many online tutiorials.
This depends on your skill and how much you value your time. If it will take a lot of time to build you may find it more appropriate to buy a desk. If you are a skilled carpenter it might be more practical to build it.
It is relatively difficult to build RC cars, but if you have detailed instructions its much easier.