With the SmartiHat you can build a better LEGO case for your Raspberry Pi A+. Or you can make have more fun with your Raspberry Pi HAT. The Raspberry Pi A+ is an awesome computer and the SmartiHat is the perfect companion. Build a Pi LEGO wonderland with the included rainbow ribbon cable to connect two SmartiHats together. Get a SmartiHat and rainbow cable for as little as $10. Make your Raspberry Pi even more awesome.