Wood,Imported,4 PC WOODEN DINOSAUR PUZZLES: Contain Tyrannosaurus, Triceratops, Pterosaur and Brachiosaurus. Total 4 pack of wood building kits for kids ages 8-12. A very cool and interactive stem project,STEM BUILDING TOYS: These are great STEM projects for kids ages 6-8. They could stimulate children's curiosity about the work of electric toys. During the assembly process of the robot building kit, children will understand different dinosaurs’structures, learn how the motor works, and enhance their basic STEM scientific knowledge,EASY TO ASSEMBLE: Pop out the puzzle pieces on the board, then refer to the instruction manual for assembly and fix them with screws, thus completing your own woodworking project kits! Everything in the diy kit is clearly marked and labeled, perfect craft kits for boys and girls 8-12. Children aged 6-8 may need the help of parents,UNIQUE GIFT IDEA: The stem building kit were designed for boys and girls age 8-10 and 10-12 years old, packed with a beautiful color box. These wood 3d puzzle toys also can be painted to create arts and crafts. It would be a lovely gift for kids or a beautiful decoration for your room or office,DURABLE AND SAFE: Made of non-toxic plywood, easy to assemble. Smooth surface and rounded corner design keep your kids safe while assembling these stem dinosaur 3d puzzle