To examine and check kitchen parts and a top board covering the upper surface of kitchen parts until getting convinced.

A parts check device is provided while parallelly installing respective parts constituting a kitchen, the parts check device is divided into corners such as a sink check device A, a hanging cupboard check device B, a cooking table check device, a range check device F and a ventilation hood check device, various kinds of parts are parallelly displayed for each piece of parts and a top board check device is arranged while being installed parallelly with the parts check device so as to check and select the top board covering the upper part of respective kitchen parts.