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 it was the beginning of the birth of the wooden city brand. the experience gained during this period resulted in the dynamic development of the company and the creation of new models.the production process is fully automated; environmentally friendly birch plywood is used for the production of 3d puzzles.kinetic picturethe kinetic picture is a 3d wooden puzzle that guarantees hours of fun while creating it. the assembly takes about 6 hours. in the end, you’ll have a beautiful piece of art in which an optical illusion creates a hypnotic effect when all the gears start rotating. the engine is powered by high quality elastics. a beautiful decoration to enjoy endlessly.features- high-precision laser cutting - no glue required- number of plates: 6- number of parts: 185- rotates with help of a rubber motor - estimated time for assembly: 6 hours- recommended age: 14+ years- more models available- including: detailed instructions in 8 languagesproduct information - product: wooden city kinetic picture - wooden model kit - material: environmentally friendly birch plywood- dimension model: l 34 x w 22.4 x d 6.2 cm- packaging dimensions: l 35.5 x w 24 x d 4 cm- packaging weight: 1143 grams- packaging: luxury wooden giftbox- brand: wooden city