Construction Expert: Take on the ultimate challenge with the Construction Expert kit. Choose from 9 designs or create your own multi storey building by using the versatile molds and Bildits� own cement mix to build columns and slabs of various sizes. Learn how to create stairs, multi-angle columns and balconies from scratch by applying techniques used by engineers on actual construction sites. Engage a range of thinking strategies as you take this build from idea stage to a house that�s readyto move into.Construction Expert is part of the Bildits Advanced Series. Real-world construction and engineering, just in miniature. In addition to our patented cement mix, these kits include bubble level indicators, reinforced concrete, a measuring tape and a variety of versatile molds. Young creators can push the limits of their creativity while emulating a real construction site at home. Learn to build multi-angle columns, stairs, balconies, circular-shaped structures and so much more.