Become an engineer and enjoy assembling a fire truck from scratch with this 3D puzzle. It includes 21 full-color cardboard pieces, 18 screws, and 18 nuts. Studio 3D is much more than a simple puzzle, it is a new construction concept that allows you to create a vehicle to play with. Building your own fire truck will develop your reasoning and spatial orientation skills. Recommended for boys and girls aged 5 and above.