A classic since 1985 (hey that's almost as old as me)! The photo shows 3 sizes (mini, classic, and large) -  Product listing is for the Classic (medium size).

Material: Assorted Hardwood (colour may vary)
Dimensions: Approx. 30mm diameter  
Age Recommendation: 3 years
Warning: Not suitable for children under 36 months. Choking hazard due to small parts.

About Mader:

Mader kreiselmanufaktur from Austria are some of the nicest tops made today. Their spinning tops have up to 20 different steps before they are complete, the tops are turned, burned, embossed, carved, brushed, painted and varnished. Each top is made from a single piece of wood and is then hand painted in beautiful color combinations.