You cannot get Zumba videos but you can get Zumba fitness dvds and kits. Walmart sells them, as do Tesco.
DVDs can be cleaned with a lint free cloth and a small amount of alcohol. This will remove any dust and dirt. Rain repelling solutions made for car windshields will also work for cleaning DVDs.
Model car kits can be purchased at all kinds of stores. There are special hobby shops that have the model car kits and many chain stores have the kits.
Some online stores for waterfall kits include: www.ecopondsupply.com www.exoticwaterscapes.com www.russellwatergardens.com www.relaxingdecor.com
It depends on which store you want to get your refill kits. Some stores offer cheaper prices but some stores don't. You can get ink refill kits for $9.99 at DataTekUSA.com. But at http://www.printerfillingstation.com/, they sell their kits for $17.95 for black and $22.95 color.
Yes nearly all drug stores sell kits for cleaning braces but i recommend you get them for your othodontist!
Many stores sell black powder kits.
Yes, craft stores sells kits to make puppets.
Lowes and Home Depot have garage door installation kits in their stores. You can also try Sears as some of their stores carry these kits as well.
Meccano kits can be obtained from a variety of stores. Physical stores who stock these kits include Target and Toys R Us. For those who prefer to shop online, they are available from Amazon and Ebay.
You can find new garage kits for sale through DIY stores such as Home Depot. There are also more specialist garage building retailers that sell their own kits such as carterslumber.com
You can get brake kits from your local auto parts retailers. You can also purchase these brake kits from online auto parts stores such as CARiD or PepBoys.