This high-quality wooden 3D puzzle is a DIY model kit made from ecological material The model can not only be used as a home decoration after assembly but moves authentically either by wind power or by the integrated rubber band motor With its 585 components this 3D puzzle ensures approx 15 hours of pure craft fun The clever 3D puzzle design helps develop ingenious skills including the ability to solve problems spatial imagination creative thinking & much more The Adult Kit is a great reminder of the Chesterton Windmill in Warwickshire UK This model has 6 columns on which the windmill stands like the original made from hard limestone & decorated with sandstone Our 3D logic puzzle is a great fun for all who not only like to assemble models but also want to bring life to the models This 3D puzzle windmill can perfectly demonstrate the functioning of a windmill thanks to innovative technology There is no better way to inspire your children to discover the wonders of history than with a DIY craft project that everyone can participate in Teach your children how learning is fun & spend valuable time with them as you assemble the windmill together Model size 13818987 in (3548522 cm) Package size 146672 in (378175 cm)