The Inverted Wishing Well is a Limited Decor item in My Restaurant, It offers players the chance to receive various gem rewards, including 1,500, 5,000, 10,000, 50,000, and 100,000 gems, & bonuses: Double Profits for 30 minutes or 1 hour, an Advertising Campaign for 20 minutes, or a Regular/Inverted VIP Customer. After each use, the well has a cooldown period of 12 hours.