Every minute, a pivoting lever brings a ball to the top and drops it onto the upper minute track. After the fifth ball rolls onto the minute track, it empties and a ball rolls into the middle 5-minute track. After the twelfth ball rolls onto the 5-minute track, it empties and a ball rolls onto the lower hour track, etc, etc. On the first picture the clock says 6:25 The clock is in perfect condition and comes with a dust cover and all its metal balls. Really nice to look at the clock and hear the balls fall The Clock can be used with bateries or with an universal Adapter (Adapter not included) Measurements: Height 20 cm. Width 26 cm. Depth 16 cm. This lot will be carefully packaged and shipped or can be picked up in Groningen, the Netherlands.