Educational electronic kit EX-150, with electronic circuit blocks. - Model: EX-150 - Brand: Gakken - Function: Electronic circuit blocks - Accessories: Wiring, meter, speaker - Features: Educational electronic kit *Everything in the image is included. *I don't know how to use it, but I tested it with batteries, and the red needle on the upper left of the main unit moved. (Batteries are not included, please prepare your own.) ☆Shipping may be changed from Yu-Yu Mercari Bin to Raku-Raku Mercari Bin. Please understand. Thank you for viewing.