This fully assembled Arduino shield makes a great input/output board with 6 relay outputs, 6 analog and 6 digital inputs.
(*) It is required to power the Arduino UNO (not supplied) with a 12V DC 500mA power supply (not supplied)
This shield will not work with the Arduino Yún.
Defy gravity with this cool balancing eagle!
This great rock tumbling kit comes with everything you need to polish stones and gems!
Learn about detective science through this fun fingerprinting kit!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Find the hidden crystals when you open your own geodes from this fun set.
Build an electromagnet, an electrical catapult, a doorbell chime, a telegraph, and more with this kit!