Patent ID: 9539520
Date: 2017-01-10
CPC Classifications: A63H

Claim:
1. A construction toy set, comprising: a number of pieces having different shapes, wherein the pieces are dimensioned and configured to enable a user to connect selected pieces to one another to construct a desired object or model; one or more of the pieces is a first joint piece having an axis, wherein the first joint piece is constructed and arranged to connect first and second other pieces of the toy set to one another for relative rotational movement about the axis of the first joint piece; and the first joint piece has a generally spherical shape and is comprised of two hemispherical parts joined for relative rotation about the axis of the first joint piece, wherein one of the hemispherical parts is configured to connect to the first other piece of the toy set, and the other one of the hemispherical parts is configured to connect to the second other piece of the toy set.