The standout feature of this functional and beautiful wooden model table clock is the rotating tourbillon that sits on top. The sphere of the tourbillon has been styled to resemble a large telescope observatory. Rather than an all-too-common clock face with hands, we have created additional interest by having the time display placed on reels. When the model is fully wound it can power the timepiece for approximately 2-3 hours, sufficient for long observation of the mesmerizing mechanism. Age - 14+ Keep away from children under 3. Self-Assembly without glue. Assembly Time 15 hrs