Today we build the Tentaku Mechanical Calculator kit by A&N Laboratory. Was sourced from Yushakobo in Japan by goddream, and gifted to Kodazzle! Product link : Actual instructions : chill. by sakura Hz Creative Commons — Attribution 3.0 Unported — CC BY 3.0 Free Download / Stream: Music promoted by Audio Library Mango by Smith The Mister Smith The Mister Free Download / Stream: Music promoted by Audio Library Official website : My Gear : Facebook : Instagram :