Electronic Block mini, which allows you to easily assemble electronic circuits. - Model Name: Electronic Block mini - Accessories: 25 blocks, earphones, and more - Instruction Manual: Special issue of Otona no Kagaku (Adult Science) - Function: Enables the assembly of electronic circuits - Condition: Unused This was a shareholder benefit from a school about 10 years ago. I will suspend the listing on January 15th because I will be on a business trip for three months starting January 16th.