Over the course of the game, Nook will add the Happy Home Handbook to your desk. The Happy Home Handbook contains lessons that you can unlock with Play Coins. Unlocking a lesson will unlock something new in the game.
How to Unlock the Happy Home Handbook
Keep playing the game and the Happy Home Handbook will eventually be unlocked. It will be unlocked after your first exterior design project.
How to Use the Happy Home Handbook
You can use the Handbook by sitting down at your desk and choosing to study the Handbook. Then you can browse the lessons in the Handbook and choose one to read. You can only unlock one Handbook lesson per day.
List of Happy Home Handbook Lessons
|Lesson Name||Play Coin Cost||Things Unlocked By Lesson|
|Ceiling Decor||Free||Unlocks ceiling furniture in the yellow tab|
|Styling Machine||5 Play Coins||Unlocks the styling machine upstairs for changing hairstyle and appearance|
|World Fish||2 Play Coins||Adds fish to your catalog|
|Refurbishing||2 Play Coins||Unlocks the refurbishing feature (drag customizeable furniture to the toolbox on the left)|
|Choosing a Layout||5 Play Coins||Unlocks floor plans (can choose two-room floor plans and bigger one-room floor plans)|
|Custom Designs||2 Play Coins||Unlock custom design capability (pink pencil tab in top-right corner)|
|Art Collection||1 Play Coin||Adds sculptures and paintings to the catalog|
|Gyroids||1 Play Coin||Adds all 131 gyroids to the catalog|
|Happy Home Camera||1 Play Coin||Adds Happy Home Camera to the interface for taking photos while you design or visit a home|
|Even More Designs||5 Play Coins||Unlocks the sewing machine upstairs (long-sleeved shirts, QR codes, etc.)|
|Windows and More||2 Play Coins||Adds the ability to customize windows, curtains, and doors|
|Sound Scenery||2 Play Coins||Adds the ability to add sound effects to rooms (waves, leaves, etc.)|
|Ancient Fossils||2 Play Coins||Adds fossils and miniature fossils to the catalog|
|World Insects||2 Play Coins||Adds insects to the catalog|