AstroAI Digital Multimeter
Don't underestimate how useful even a cheap gadget like this can be when your home starts going on the fritz.
Bullet Face Copper Foil Tape
Perfect for making paper circuits with kids, and more.
Etekcity Remote Control Outlet Switch Kit
Five outlet switches + two remotes that let you turn household gadgets/appliances on and off, wherever you are.
Tesla Powerwall
A wall-mounted, rechargable home battery that could utterly change the world's energy consumption habits.