Robotime 3D Wooden Puzzle DIY Train Mechanical Model Wooden Building Blocks Toys Prime Steam Express Wood piece:308pcs; Assembly time:about 4 hours. Recommend age:8+,children under the age of 8 can complete the assembly accompanied by their parents. Package size:228*154*12 mm Production Details Follow the English instructions step by step.It takes about 4 hours to complete. Laser precision cutting,assembled by buckle,each part has corresponding code, which makes the assemble easier. Assemble size Package show English instructions+5 Precut wood sheets+Sandpaper. Airship Wood piece:176 pieces; Assembly time:about 1.5 hours. Recommend age:8+,children under the age of 8 can complete the assembly accompanied by their parents. Certificates:EN71,CE,FSC,FCC; Weight:0.2kg; Package size:230*155*11.6 mm Hot Air Ballon Wood piece:140 pieces; Assembly time:about 1.5 hours. Recommend age:8+,children under the age of 8 can complete the assembly accompanied by their parents. Certificates:EN71,CE,FSC,FCC; Snake