There are many places where one can purchase cheap plastic aquarium plants. One can purchase cheap plastic aquarium plants at popular on the web sources such as PETCO and eBay.
One can purchase cheap plastic hoses on sites like dhgate, Dirt Cheap Hookhas. Otherwise one has to visit a shop that sells plastic hoses and look for a cheap one.
There are many places where one can purchase cheap plastic tablecloths. Some places that one can purchase cheap plastic tablecloths are Wal Mart, Party City, and Amazon.
Cheap plastic containers can be found at your local grocery store or general store such as Target. These stores carry a wide variety of containers and sizes to meet your needs.
Insulated Plastic Mugs are available in any domestic merchandise retail store such as Bed Bad & Beyond. One could also purchase these mugs at a very cheap price in online stores like amazon.
Anybody can purchase a plastic zipper from a local fabric store, amazon, ebay, or even walmart. They're cheap zippers and almost anywhere that sells fabric would carry them.
There are special fluoro tubes that are made for growing plants. One brand that comes to mind and does a reasonable job, is easy and reasonably cheap to get here in Australia, is "Growlux".
There are many locations that sell cheap, white plastic hangers in bulk. One of the best places to look is the Dollar Store, both in store and online. They are also sold at Target.
There are heaps of aquatic plants available. From the more common/cheap Vallis, Cabomba, Ambulia, Elodea, etc through to the more expensive Cryptocoryns and Sword plants. Most pet shops should carry several species.
Plastic or cheap metal
You can purchase a cheap knife sharpener from amazon.com and cheap shipping as well. Another website to purchase a cheap sharpener is overstock.com.
you will find plastic mask mostly in party city
It matches their cheap and tacky plastic fans