Found this GBA game for only £3.95 delivered. Don't know if it's any good. Remember, GBA games can be played on Nintendo DS as well.
This year's hottest Wii game is also this year's breakthrough handheld game! Grab your deck and drop into the extreme speed of downhill racing in Tony Hawk's Downhill Jam. Enter this high-speed competition down the steepest streets in the world including epic locations specific to the handheld versions like Kilimanjaro and Hoover Dam travelling the globe and competing with Tony Hawk. It's the wildest ride with Tony yet!