ThinkSmart Nintendo DS 3DS (Cartridge Only) Tested

Challenge your brain with ThinkSmart for Nintendo DS, a puzzle and logic game filled with memory, math, and problem-solving challenges to test your skills. Great for players who love brain-training and educational games. NOTE: There are slight signs of wear on the back of the cartridge (pictured). There is also a light stain on the front of the cartridge. This does not affect the game. It was tested on a 3DS and works just fine.