[Safe & Durable] Construction truck toy set is made of high-quality non-toxic, recyclable ABS plastic. The edges and corners are specially treated, so there is no need to worry about your babys hands being scratched when playing. [4 In 1] 4 in 1 construction truck toys can be assemble to 4 forms by changing the top of the truck, including crane, excavator, bulldozer and truck. Whats more, its forwarding ways can also be changed to 2 forms of wheels and crawlers. [Educational Toy] Kids can use these small props to build a variety of engineering vehicle work scenes. It can improve children's hand-eye coordination, exercise thinking ability, and know the structure of the engineering vehicle [Interactive Toy] The construction truck toys really needs the parent's involvement, a great interactive toy to create memories and have fun with your kids at home. Its really a fun activity for kids who like to build. Best toys for 3+ year old kids. [Best Gift] Construction truck toy set is an ideal gift for childrens day, birthdays, Christmas, holidays and any other occasions. Your child will enjoy hours of playing time and have a happy childhood. Material: ABS Color: yellow + gray Expansion size: 22 x 49 x 19cm/8.7 x 19.3 x 7.5 in Closed size: 20 x 19 x 13cm/7.9 x 7.5 x 5.1 in Suitable age: 3+ years old Electric screwdriver power supply: 2x AAA batteries (not included) Type: building & educational toy Application: home, kindergarten, school, travel, park, etc. Note: 1. Please allow 1-3cm measuring deviation due to manual measurement. 2. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you Parts List: 1x Large Engineering Vehicle Body 4x Wheels 4x Vehicle (1x Crane, 1x Excavator, 1x Bulldozer, 1x Truck) 2x Orbital 1x Electric Drill with 2 Different Bits (Requires 2 x 1.5V AAA Batteries, Not Included) 1x Manual Screwdriver 1x Assembly Instructions 16x Other Attachments [WY]