CubicFun 3D Puzzle World Style-Series ''Italy Flavor - Rialto Bridge - Italy'' A fun and challenging 3D puzzle of The Rialto Bridge Constructed using CubicFun's unique slotting system, Puzzle: Similar building toy like Lego, Difficulty Level: 3, Number of Pieces: 29, Age: 4 Years And Up Great holiday gift for young and old, Develop logical thinking, Best for schools, Day cares and Educational institutions, fun and attractive, beautiful souvenir.