You don`t need instructions to build one, use your creative skills and build your own.
One can find instructions for building a tree house from the company Build It Now. They have lots of different instructions, and tree houses are one thing they sell instructions to build.
One can find instructions on how to build a sand castle on websites such as wikiHow and the Travel Channel website. There are also many instructional videos on YouTube.
There are many places where one can find instructions on how to build a wood coffee table. Some good places for finding instructions for building coffee tables would be How Stuff Works.
There are many places where one might find instructions on how to make chunky necklaces from chains. One of the best places to find out these instructions would be on HowStuffWorks.
Well I don't know how to make a stool but if you go to this page you might find what you are searching for..... http://www.woodworkersworkshop.com/resources/index.php?cat=471
Garden Web is a great resource for people to find instructions on how to build a pigeon hole. They have several options and provide printable versions for people to have handy.
There are a number of places where one can go to find instructions to build a simple kaleidoscope. Most local libraries carry books on arts and crafts. There are also instructions found online on websites such as eHow and Wiki How.
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
in a lego halo box or set
Yes you can find step-by-step instructions online on how to build an outdoor fire pit. Diynetwork.com, instructables.com and videojug.com all provide instructions and even videos on how to assemble.
One can find instructions on laser safety via the Stanford University website where they have a safety guide. One can also find such instructions from OSHA.