Play enclosure for artwork, paperwork, sand and water play use

Claim 1

An enclosure for interchangeable use for artwork, paperwork, sand play and water play adapted for play by children, comprising: an open top, rectilinear, box-like structure having short side walls as compared with a length and a width of said rectilinear structure; a peripheral shelf inwardly extending from peripheral top edges of all sides of said open top of said rectilinear structure, a top surface thereof having an inward extension wide enough for a child's seat and a child's table surface, said peripheral shelf having at least one corner cut-out adjacent an intersection of two side walls of said rectilinear structure, said cut-out having a mouth open to a center region of said rectilinear and said peripheral shelf defining, about a periphery of said cut-out, a peripheral groove open to said top surface of said shelf; and, at least two discrete, interchangeable corner elements each having an elemental top surface of substantially the same size and shape as said cut-outs, each said corner element having depending side wall sections with a thickness and a height complementary to said peripheral groove of said cut-out such that when said removable corner elements are disposed in said cut-out, said side wall sections mate with said peripheral groove and said elemental top surface is coplanar with said top surface of said peripheral shelf, one of said two corner elements having means for holding instruments, and the other one of said two corner elements having a shallow, depressed elemental center region with holes permitting passage of a fluid medium into an inboard region of said rectilinear structure.