The Seasonal Merchant has a new skin and new items to sell for the new season. The skin will change back after the season ends but the items can still be bought.
Anniversary Cake: Topped with Glow Tulip glaze. When eaten, it emits a strong glow around the player and also gives a permanent health increase. Sold by the Seasonal Merchant.
Four festive birthday hats sold by the Seasonal Merchant.
New "Happy Birthday" music sheet. Sold by the Seasonal Merchant.