The Thunderbolt is the most difficult finger top in our product line. Suitable for all ages over 6 years. A real challenge! One-piece with metal spike.

Mader rates their tops as to how difficult they are to spin, using a scale of 1 to 6, 6 being the hardest.

Thunderbolt, item no. 701, diameter 28 mm, fruit tree woods, severity 6.