The Building Blocks Windows and Doors Set - 120 Pieces adds to your child's construction sets - The Building Blocks Windows and Doors Set - 120 Pieces lets any child add entrances and exits to their creations according to their imagination. It comes with 120 pieces of window and door accessories and a figurine to enjoy the innovated landscape or building that your child is about to assemble. It's also compatible with LEGO blocks so your child can extend their building to double or triple the fun! Features:The Building Blocks Windows and Doors Set - 120 Pieces comes with 120 pieces of a variety of window and door accessories as well as a figurine. - Blocks include opening and closing windows and doors, roof pieces, wall pieces and balcony pieces, as well as a builder mini figure. - Compatible with blocks from LEGO and other well-known brands. - No batteries required. - Recommended for Ages 6+Encourage creativity and innovation through play with the Building Blocks Windows and Doors Set - 120 Pieces.