to find the answer to your question: Where can I buy a new leapfrog cartridge? please see the following website to investigate further: www.amazon.com/LeapFrogCartridge/B000MFE68U
There are a wide variety of places where one can purchase a HP Deskjet 940C ink cartridge. The easiest places to buy the cartridge is from the official website or a local electronics store such as Best Buy.
A HP 27x cartidge is available to purchase from most computer and stationary specialized stores such as Curry's and Staples and also directly from the HP website.
You can buy cartridge bags online from the official Beretta USA website. You can also purchase these bags online from retailers such as Overstock and Amazon.
One can buy a Hewlett Packard toner cartridge online at the official website for Hewlett Packard. They are somewhat relatively cheap, with some available as little as $50.
Buy a refill kit from www.bargainink.comOr I would just recommend checking for prices on that website. So far I have been inkjet cartridge and toner cartridge for my company from this website.
An ink cartridge for an Epson PictureMate printer can be bought directly from the Epson website. Best Buy and Office Depot also offer the ink cartridge for sale.
You can purchase a HP ink cartridge 57 from the store known as PC World in the United Kingdom or you can buy one from their website. Alternatively you could purchase one from the amazon shopping website.
Online at the Minecraft website
From the Dell website