Features Children can explore curiosity and imagination as they explore logical thinking, movement, and problem-solving skills. We provide step-by-step instructions that are easy to follow. They are the best play choice for parent-child interaction. The pre-cut and foam board puzzles are precisely tailored to fit without the need for glue or tools. The material is non-toxic and tasteless and has no adverse effect on the child's body. Come experience the puzzle fun, get a sense of accomplishment after completion and build your own urban complex! Main material: paper + foam board composite material, box size: 29.8 * 21.8 * 6cm London, United Kingdom (107 pieces) puzzle finished product: 53.5 * 16.5 * 26cmParis, France (114 pieces) puzzle finished product: 38.1 * 25.4 * 32.7cmNew York (123 pieces) puzzle finished product: 37 * 22.5 * 42cmThe finished product of Barcelona, Spain (186 pieces): 54 * 17 * 26.2cmMoscow Russia (204 pieces) finished product: 40 * 24 * 21.6cmGerman Bavaria (178 pieces) puzzle finished product: 48 * 24.4 * 27cm.Venice, Italy (126 pieces)puzzle finished product:53 * 18.1 * 20.5cm