Problem: it is easy to hold in the hand of an infant, and it has a hemispherical shape of the watermelon which is easy to bite anywhere, and the tooth is able to be trained and the tooth can be trained.100 for teethTeeth are also used as toys.The body part 1 of a substantially hemispherical shape isIt has a substantially disk-shaped member 2 which is provided with an opening in the substantially hemispherical shape of the body partBody sectionA center through hole 21 disposed at the top of the head when the substantially hemispherical shape is disposed so as to be convex upwardA plurality of first through holes 12 are provided which are arranged so as to surround the curved portion between the top and bottom edges in a circumferential directionA substantially disc-shaped member isIn the case of a substantially disk like memberOr at least a plurality of second through holes 22 arranged to surround the central portion of the disk shapeThe body portion and the substantially disc-shaped member are made of a flexible material.Diagram【課題】幼児の手でも持ちやすく、どこでも噛みやすいスイカの半球形状をしており、かつ興味を持って遊びながら歯がための訓練ができる歯がためを提供する。【解決手段】歯がため１００は、玩具としても使用できる歯がためであって、中空で略半球形状の本体部１と、本体部の略半球形状の開口部にふたをするように設けられた略円盤状の部材２とを有し、本体部は、略半球形状が上向きに凸となるように配置したときに頭頂部に配置された中心貫通孔２１と、頭頂部と底縁部との間の曲面部を周方向に取り囲むように配置された複数個の第１の形状の貫通孔１２とを備え、略円盤状の部材は、略円盤状の部材の線対象軸を挟んで、又は少なくとも円盤形状の中心部を取り囲むように配置された複数個の第２の形状の貫通孔２２を備え、本体部と略円盤状の部材とは柔軟な材質で形成される。【選択図】図１
