No limitations, scalable to build as big as desired by adding more pieces to create the master piece. 
Never too early to start developing kids creativity. Children can acquire strong sense of color, geometrical shapes including 3D forms numbers counts, magnetic polarities & architectural design at early age.
Encourage creativity which is the key factor to success in today's ever-changing environments. Fun and entertaining, perfect educational presents for school age children that will never go out of style.