Every pieces of this product are designed one by one.it is made by love.woodworks have been used on it.It is impossible to find a cuckoo clock with high quality and fair price.the bird crows from 6.00 a.m. to 9.00 p.m. at every hour.the bird is active on the hour.I can produce seven pieces of the product every week.Dimensions H( except pendulum):33 cm .H ( with pendulum ):55cm. W:26 cm.D:11cm This clock is quartz with battery.pendulum and cuckoo weigths are wooden accesories.the pendulum is not active.