Linuxdevices has the details on making a cartridge that can boot any unmodified Mattel JuiceBox into a Linux-based environment. You can find these devices (usually) on sale for less than $40. [via] Link to Wiki/how to & forums.
Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.