Sensors in your fridge keep track of ketchup, milk, and butter. Data is used to auto order these goods when they run low.

Build a beautiful “infinity mirror” Illusion that you can control by changing this mirrors' orientation. Rotate for changing colors!

You can make someone else's sunglasses see-through via BLE and check them out from far away, perhaps with your heartbeat.

Make your own gesture-controlled Wizard's Walking Staff that lights up to different spells when you perform gestures. You shall not pass!