You don’t have to be an engineer to create with Nano Blocks! With these micro-sized building blocks, 3D buildings take shape right beneath your fingers! Watch in amazement as buildings are erected to even the tiniest detail. With over 200 assorted size pieces, create a detailed replica of the world famous, Eiffel Tower, that fits perfectly in the palm of your hand. Finished size 3.125w x 4.75h x 3.125d . Includes detailed color instructions. Not designed for children under age 8. Collect all 3 as any of the Nano Blocks Sights to See Collection would be the perfect gift for any inspiring designer, architect, or collector.