Adafruit shows us how to make an electronic and portable dice roller. It uses a small motor to spin a small platform, which in turn rolls the dice. As others have pointed out, it would be better if you make the platform uneven to shake the dice even more. Full guide here.
Do you want to make a snowball? Don’t run outside and start packing the white stuff just yet. Popular Science provides a studied and intellectual method to determining the type of snow you should use for a snowball that holds together, but doesn’t maim its victim.
Kiwamijapan loves to make DIY weapons and tools. But this one takes the cake. He took katsuobushi – dried and preserved tuna (aka bonito) – which is literally hard as a rock, and turned it into a knife. Get ready for a whole lot of soothing sharpening and filing sounds.
Prop maker David Guyton takes a break from making badass prop armor to present his take on a retractable license plate. His DIY solution is made from affordable materials and uses a simple scissor mechanism. You’ll have to figure out how to mount it on your car though.
Slivki Show demonstrates how you can use a couple of cheap computer fans, a plastic tray, and some water to turn a brick into a desktop air conditioner. The porous nature of the brick, and the cutouts in the one used here, turn it into a surprisingly efficient cooling device.
Has your car’s air conditioning lost its cool? You could go to a repair shop, wasting time and money, or buy the A/C Pro Recharge kit, which lets you fix your A/C yourself in less than 10 minutes with no tools. After a few quick steps, your car will have the #1 coldest air.