This Architecture Set of The Colosseum is designed to look like the original monument in Rome Italy, it is composed of 1401 bricks, made of eco-friendly ABS material that maintains its dimensional precision. The bricks are compatible with blocks of other major brands. The set is excellent for developing small motor skills, hand eye coordination, problem solving skills, learning to follow assembly instructions and is a fun activity for children between 4 years old to adults. The set includes detailed instructions for assembly. Collect all the different monuments of this series at a fraction of the cost of the major brands.