I'm looking for some gift ideas in the $100 range that are beginner electronics project kit type thingies. Geared towards someone with basic electronics knowledge (knows the difference between a resistor and a capacitor, can do a little basic soldering and has an iron) but are designed to teach and learn. So things involving Raspberry Pi or Arduino or drones or 3d printers or robotics or any number of cool things like that. Or if you have an idea for a similar gift not involving electronics that's cool too. Just a gift for someone that loves science and technology and learning new things hands-on.