Bondic is a liquid plastic welder that can be used to bond, fill in, or even build plastic, metal, and wood parts. Repair everything from toys to eyeglasses to jewelry. - I think it's a sonic screwdriver
Spyder Arctic Laser is the world's most powerful laser you can legally own. It's got a cool-blue, but blazing-hot, laser beam. This company also makes a flashlight so bright, it can cook an egg and set things on fire.