box: 1 5/8 x 11 x 8 1/4 in. ( 4.1 x 27.9 x 21 cm )
lithographed: on the box cover: "BIRDIE BLOCKS/ PATENTE JAN. 18, 1898"
"Birdie Blocks" eighteen square construction picture blocks with the corners drilled out and a cut in the center of one side; each block with a chromolithographed image of a bird applied to one side of the block and five letters in meddalions applied to the opposite side; twenty-two wooden disks which hold the blocks together; one paper sheet with block configurations printed; cardboard box with a chromolithographed image of three children playing with "Birdie Bloocks" in an oval frame of the blocks on the cover; box cover lithographed with the inscription, "BIRDIE BLOCKS/ PATENTE JAN. 18, 1898".
Due to ongoing research, information about this object is subject to change.