Product information: (1)mbled size approx. 210x76x121mm; Wood piece:145 pcs Eco-friendly and well made. Material: naturaland organic material, no harm. (2)se read the English Guide in the package carefully before assembly. Putting piecing this kit together, requires you to pay more attention to little details. Because it will take few hours for tiro to finish assembly. (3)mmended for ages 8 years and up. (4) size of each part is very precise in order to keep the puzzle firmly ,so some steps need hard assembly,if kids can't finish it alone, some adult help neccesary for some parts and translation. (5) you have any problems when assemble it, pls feel free to contact us, we will reply you within 24 hours. Package include 1* 3D Puzzle Kit. Robotime 3D Airplane Wooden Jigsaws Puzzle Kit is Eco-friendly and well made, 100% natural plywood without dyestuff and varnish, not treated with any harmful substances. With Laser Cutting technology and Exclusive design.