Nanoblock is all about the creative construction process, with rewarding sculptural results! Now you can nano-size your very own Tower Bridge. With these micro-sized building blocks, 3D models take shape right beneath your fingertips! You will be amazed as the Tower Bridge is assembled to the tiniest detail. With over 450 assorted pieces, create a detailed replica of the world famous, Tower Bridge that fits perfectly in the palm of your hand.