PROBLEM TO BE SOLVED: To provide a playing device for a pet capable of firmly attaching a supporting base to a support so as to stably supporting the pet even when a load is applied to the supporting base, and easily attaching and detaching the supporting base to the support.SOLUTION: A playing device 10 for a pet includes a support 11 installed between an installation surface and a ceiling in a projecting state and a supporting base 21 on which the pet can be placed, in which a fixing means for removably fixing the supporting base 21 to a flanged flange part 31 supportably forming the supporting base 21 at a predetermined site in the vertical direction of the support 11 is provided, an insertion allowing part for allowing insertion of the support 11 is formed on the supporting base 21, a notch groove having a width relative to the thickness of the support 11 and notched up to the insertion allowing part from an outer periphery side is formed on the supporting base 21, and a groove fitting tool 41 for being fitted into the notch groove so that the notch groove can be concealed is provided.COPYRIGHT: (C)2014,JPO&INPIT【課題】支持台に荷重がかかってもペットを安定して支持できるよう支柱に対して支持台をしっかりと取り付けることができ、また、支柱に対する支持台の着脱を容易に行うことができるペット用遊戯装置を提供する。【解決手段】設置面と天井との間で突張り状態で設置する支柱11と、ペットが載上可能な支持台21とを備えて構成したペット用遊戯装置10であって、上記支柱11の上下方向の所定部位に上記支持台21を支持可能に形成した鍔状のフランジ部31に対して上記支持台21を取り外し可能に固定する固定手段を備え、上記支持台21に上記支柱11の挿通を許容する挿通許容部を形成し、上記支持台21に、上記支柱11の太さに相当する幅を有して外周側から上記挿通許容部まで切り欠いた切欠き溝を形成し、上記切欠き溝を隠蔽可能に該切欠き溝に嵌め込む溝嵌め込み具41を備えた。【選択図】図1