This clock reminds the spectators to a distant star - as it dimly shines in the night and its color shifts to red - owing to the big distance (for further info on red shifting read the book 'The briefer story of time' from Stephen Hawking). - Raw material: both central disk and the arms are made of 6mm birch plywood board - Manufacturing process: laser cutting, sanding, hand painting, gluing / manual assembly - The movement: is silent / non ticking - Battery requirement:1pc. AA type 1.5V battery (not included in the package). - Hands: metal / plastic - white. Note that the XL size models are not equipped with second hand! - Dimensions diameter: L - 41cm / 16 in XL - 59cm / 23.5 in depth: 3,3cm / 1.3 in weight: 0,65kg / 1.4 lbs, XL - 1.4kg / 3 lbs This item is made to order, production lead time is ~2-4 days, shipping takes another ~1 week. Please note: althoug this product ships for free you might still be charged for customs duty / VAT in certain countries, above certain product value. In this case this fee is collected by the carrier! You are welcome to request custom color schemes. 'The Orbs' models require 1 color for the central disc and generally 3 shades for the 'rays'. Color customization is free of additional charge.