This is a case for the Akizuki Denshi (New) GPS World Clock Kit. It's made of transparent plastic and includes pre-wired terminals (red, black, and a green LED embedded in the base) and lead wires (+; red 10kΩ, signal; white, -; black). The green LED embedded in the terminals allows for visual confirmation of signal presence. Includes case instructions. The circuit board needs to be purchased separately from Akizuki Denshi. The photo from 9/9 shows the circuit board installed. The LED on the terminal is lit (negative logic). https://akizukidenshi.com/catalog/g/g111965/ Toy Genre...Educational Toys/Learning Toys