This clock resembles to a turbine of an aeroplane.The outer rim and the central disc fixes the 60 blades where each blade is twisted along its length: at the outer rim blades are parallel to the dial surface, while in the middle they turn to be perpendicular - this gives a exciting shading effect, the wall behind the clock peeps out between blades around the central disk. On the outer rim blades are fixed with short steel pins, these are visible like stylish screws along the perimeter. - Raw material: outer rim + central disc: 6+4mm plywood 'baldes': 0.3mm polypropyleme sheet - Manufacturing process: laser cutting, sanding, manual assembly, gluing - The movement: is silent (non-ticking) - Battery requirement: 1 pc AA type 1.5V battery (not included in the package). - Hands: metal (white) - Dimensions: diameter: 41cm / 16 in depth: 3,5cm / 1.5 in weight: 0,65kg / 1.4 lbs This product is made to order, the production lead time is 2-4 days, shipping takes additional ~1 week. Please note: although this product ships for free certain countries above certain product value may still charge customs duty and/or tax (VAT). In this case this fee is collected by the carrier.