Patent ID: 6786797
Filing Date: 2004-09-07
Classification: A63H

Abstract:
A double layer block assembly, comprising:four single layer blocks; two first double layer blocks; two second double layer blocks; four outer stickers; and four inner stickers, wherein an upper layer section of the assembly comprises two of the four single layer blocks, two upper layers of the two first double layer blocks, and two upper layers of the two second double layer blocks; wherein a lower layer section of the assembly comprises another two of the four single layer blocks, two lower layers of the two first double layer blocks, and two lower layers of the two second double layer blocks; wherein the four outer stickers are respectively adhered to a top and a bottom surfaces of the assembly; and wherein the four inner stickers are adhered between the upper layer section and the lower layer section of the assembly so that the assembly is operative to repeatedly turn about two parallel axes.