PROBLEM TO BE SOLVED: To provide a three-dimensional piece and a frame for a three-dimensional piece which enable a person suffering from a stroke or the like to perform rehabilitation in a fun, continuous and efficient manner. SOLUTION: It has an upward projecting portion 131a having a top surface on which characters, numbers, symbols or pictograms are written, and a top surface on which characters, numbers, symbols or pictograms corresponding to the characters, numbers, symbols or pictograms are written. It includes a downward projecting portion 131b, and a lateral projecting portion 131c provided between the upward projecting portion and the downward projecting portion and projecting laterally from the upward projecting portion and the downward projecting portion. [Selection diagram] FIG. 9【課題】脳卒中などを患わってしまった方が楽しく継続的にしかも効率的にリハビリテーションをすることを可能にする立体駒及び立体駒用フレームを提供する。【解決手段】文字、数字、記号又は絵文字が記された頂面を有する上方突出部１３１ａと、文字、数字、記号又は絵文字に対応する文字、数字、記号又は絵文字が記された頂面を有する下方突出部１３１ｂと、上方突出部と下方突出部の間に設けられ、上方突出部及び下方突出部よりも側方に突出する側方突出部１３１ｃと、を備える。【選択図】図９
