Interactive museum located in a former elementary school in Yotsuya, dedicated to traditional and international toys. Includes age-based playrooms, wooden toys, educational exhibits, and hands-on workshops. Very popular among families with young children. Shoes must be removed at the entrance.

Price: 1,000 ¥ (adult), 700 ¥ (child)
Touristy? : Moderately touristy, mostly visited by Japanese families, daycare groups, and tourists with kids