Now you can nano-size your very own Big Ben. With these micro-sized building blocks, 3D structures take shape right beneath your fingertips! You will be amazed as Big Ben is assembled to the tiniest detail. With over 460 assorted pieces, create a detailed replica of the world famous, Big Ben that fits perfectly in the palm of your hand. Finished size 4.875�?� h x 3.125�?� w x 3.625�?� d. Includes detailed color instructions. Not designed for children under age 8.