Item Type: Drill Puzzle Toy Set Material: Plastic Length: Approx. 26.5cm / 10.4in Package List 4 x Puzzle Board 7 x Angle Iron 70 x Mushroom Studs 1 x Wrench Wrench 2 x Tools 60 x Screw 30 x Nuts 1 x Instruction Manual 1 x Plate 1 x Storage Box Warm Tip: Children should play under adult supervision to avoid swallowing small toy parts. 1Educational Toys: Help stimulate the interest of kids in learning, cultivate their cognitive ability in engineering and mathematics, and exercise their hands on and coordination skills. 2Easy to Play: Construction engineering screw toy kit with screwdriver and wrench, easy to disassemble, which support 2 to 3 children to play at the same time. 3Storage Box: Comes with a large capacity storage box. Lock design on both sides, not easy to lose parts. Portable design, which i s easy to carry. 4Safe to Play: Made of excellent material, smooth edge without burr, does not contain any harmful substances, no peculiar smell, safe to health. 5Perfect Gift: Exquisite DIY drill puzzle toys are great gifts for children on birthdays, Christmas, Thanksgiving, or any other suitable scenes.