This is a fun construction kit that features a sharp and colorful helicopter. This puzzle is a beginner model that is sturdy, durable and easy-to-assemble. It measure seven inches in length. Your child's imagination will unfold as they fly their new creation like a bird in the wind. These products feel good and have excellent colors. The toys are made from high quality plastics and are unbreakable with patented plugs and clips that are almost impossible to take apart. Disassembly requires a plug extractor, included in each kit. There is an open-ended play experience. Instructions for each of the projects are included that will help your child to develop their own fine motor and cognitive skills. They can do the projects alone, with an adult, or with friends.