Coins are a valuable in-game currency used for several purposes:

• Refilling lanterns during levels.
• Purchasing boosters to help with challenges.
• Speeding up lantern cooldowns in the Zen Garden.

There are several ways to earn Coins:

• Participate in special events.
• Complete in-game achievements.
• Connect your game to an account for the first time.
• Purchase a Money Tree and harvest it daily for 30 days.

For larger amounts of Coins, the most direct way is to purchase them from the Panda Shop.