This Japanese miniature Tenkaichi Soroban abacus calculator is a vintage piece with 60 beads and 10 rods. It is a great addition to any collector's or hobbyist's collection, or can be used as a personalized gift for someone interested in educational mathematics or Japanese culture. The style is vintage primitive folk art and it is made of PVC acrylic material. The lid glows under black light. The item is from Japan and has no ownership history available. It is easy to carry around and perfect for any Toys & Hobbies enthusiast.