UGears 3D Colouring Model Mill Number of components: 23 Estimated time of assembly: 1 hour Estimated time for a painting: 4 hours + 3D wooden coloring model «Mill» . For children from 5 years old … as well as grown-ups of any age. Color as you like: acrylic, gouache, watercolor, markers - you can use whatever you have. You can color the model by doing yourself, with friends or the whole family. Delicate contour lines on wooden parts show the main boundaries of the roof of a windmill with a water-wheel, two windows in the top, entry stairs, wide stoned doors, the contours of a hand forged knob, to make it easy to paint. Cognitive and developing: the model follows the characteristics of the Dutch windmill with windows on the upper floor and wide doors, which you want to open, tap handle base to inform the miller about the arrival. This amazing an open-style model demonstrates to the young inventors the basic elements of mechanics: the mechanism of reducers and angular transmissions. Like a real windmill with a wheel for drainage, the model is accommodated with interdependent moving elements: the mill's wings, with the help of the gear system that axis drive a drainage wheel with blades. On the contrary, it’s possible to turn the water wheel and run in motion four wings of the windmill. Assembles easily and is fun to play with. Develops engineering skills, spatial thinking and fine motor skills. Captures the imagination of children for a long time. Eco-friendly: is made of high quality wood, has a fragrant scent of wood and is pleasant to the touch. Assembles easily : all component parts are already cut off and can be easily removed from the board. The model assembles like a puzzle without glue and special tools by following an illustrated color manual. While children are collecting some blocks, the adults can suggest their help: the joining parts are cut off precisely for the slots and for the assembly, you only need to insert the component pins, pressing them with your fingers. But if the fingers are too small, it may need some help. Likable: with the help of fantasy, imagination and creative talents of young (and adult) artists each UGEARS coloring model gets a unique and beautiful look, that will keep your spirits up being on the top of your desk. Paints not included.