Package Size: about 9.3\" x 6.3\" x 5.5\". Material: high quality and durable plastic, with bright color and smooth surface. Assembly toy can help baby to develop their intelligence, suitable for kids\' early education. Comes with 1 screwdriver, 1 wrench, 4 nuts, 8 screws and 13 pieces accessories. It can cultivate kids\' curiosity and confidence when disassemble and assemble. Encourages kids to try some new ideas and helps them gradually form to find new ways to solve problems. Warning: CHOKING HAZARD-Small parts. Please to be used under the direct supervision of adults.