The kinetic picture is a 3D wooden puzzle that guarantees hours of fun putting it together. It takes about six hours to assemble. The end result is a beautiful work of art in which an optical illusion creates a hypnotic effect when all the gears start spinning. The motor is driven by high quality elastic bands. A beautiful decoration to enjoy endlessly. Wooden City is a Polish manufacturer of wooden mechanical models; it is a modern form of 3D puzzles for self-assembly without the use of glue. The prototype of the first model was developed in 2015 and that was the beginning of the brand Wooden City. The experience gained during this period resulted in the dynamic development of the company and the creation of new models Specifications: Gender: unisex Colour: white Material: birch wood Model dimensions: 34 x 22.4 x 6.2 cm (lxwxd) Packaging weight: 1143 grams Construction time: 6 hours Difficulty: Advanced Age: from 12 years old Contents: 185 Spare parts