Reference article
Wonder Wheel
A travelling prize wheel awards coins, equipment or progress in a randomly selected combat skill.
Finding the wheel
Find the 
Wonder Wheel Duck after repairing the Farm bridge. The duck travels between the six areas. Each location has its own cooldown before another visit.
Prizes
Spin the wheel to determine the prize. Equipment prizes are selected from items marked eligible and exclude quest items and equipment already owned. Skill prizes add XP to one random combat skill. Above level 100, the same XP corresponds to fewer whole levels.
Mobile repeat spins
The mobile branch offers additional spins with a rewarded-ad path and a retry delay. Availability depends on the released build and ad availability; it is not a guaranteed unlimited-spin rule.