US Patent 11358071 Building block toy

An interlocking toy set comprising a plurality of interlocking pieces is disclosed herein. The interlocking pieces include a planar body having a top side, a bottom side opposite the top side, and a plurality of lateral edges that extend between and interconnect the top and bottom sides. The interlocking pieces also include a plurality of interlocking flanges that extend away from each lateral edge and configured to interlock with corresponding interlocking flanges formed on a lateral edge of an adjacent interlocking piece.