You can find the materials you are looking for by clicking on the logo of the vendor of your choice in the "What" section while creating your project. You won't be able to access the vendor catalogs before you start creating a project, but to help direct your search, take a look at our list of commonly requested items.
You may need to search for the item you are looking for in several vendor catalogs. You can also see what other teacher's are requesting and which vendors they are using by searching the live projects on the site.
If the item you need is not offered by our vendors, you may need to submit a 6-point Special Request.