Take a trip back in time with the Seeed Tetris Arduboy MicroCard. Featuring a 128-by-64-pixel display, it recreates one of the most popular games of all time in 8-bit fashion. With a Piezo speaker that offers classic arcade sounds, six buttons, and a polycarbonate and aluminum shell, it’s as nostalgic as it gets. Plus, it will last up to 6 hours on a single charge.