Invention on Instagram: "In the 1980s Hot Wheels introduced a unique toy line called Crack-Ups that turned car crashes into entertainment. Instead of avoiding wrecks, these cars were built to collide head on, side by side, or from the rear. Each vehicle had spring loaded panels that would flip to reveal simulated dents, crumpled grills, and scratched sides whenever a crash occurred. The clever design made playtime feel more dramatic and interactive. After smashing them together, kids could simpl

Concrete Crack Repair That Actually Works

Pan Slings on Instagram: "The cracker never lies. When a sling is being used most efficiently, it will crack. The primary purpose of a cracker on a sling is for audible feedback on throwing quality. If the throw is poor in terms of form or effort, you won’t get much of a crack. Like a whip, simply pushing hard doesn’t always equal a better crack; efficiency of movement is key. Keep in mind that you can have efficient form and still be off or on target. #panslings"