A couple good companies are http://hydrogen-water-cars.amazonwebstore.com and www.hydrogencarkits.net.
mary maxim
The cheapest I found is here http://hydrogen-water-cars.amazonwebstore.com/Genesis-Hydrogen-Generator-Complete-Kit/M/B001I1QKQ8.htm
You can buy jewelry making kits at retail stores such as Target, Walmart, and Hobby Lobby. You can also buy kits online at websites such as eBay, Overstock, and Amazon.
Yes, hydrogen kits work for diesel engines.
Painting kits for faces can be bought at many online paint specialty stores. You can buy them at Hobby Lobby or Michaels.
A body kit contains different parts for changing the appearance of cars. A body kit can be purchased at BodyKits, an online body kits store. They have been online since 1999.
You can buy steel garage kits, Quonset kits and straight wall garage kits. These can be bought online at sites such Amazon and eBay. Alternatively, you may be able to obtain garage kits from a local home depot or wholesaler.
Yes remote control planes are still available. You can buy the kits online on Amazon or on eBay but I'm sure certain stores next to you like Toy R Us might have them too.
Yes, there are a multitude of different teeth whitening kits that you can buy from online retailers or from dentists offices that sell at home teeth whitening kits. There is often a Groupon in just about every city for this.
You can find many skin care kits in places like Wal-Mart or online. Here is a website where you can buy skin care kits: http://www.drbaileyskincare.com/
Yo can find a great deal on hydrogen kits just do a quick search on www.ebay.com.
You can find them at Michaels, Joann Fabrics, online at FireMountainGems.com and similar stores.