Number Bubbles!

Hi, friend!

What should we call you?

Pick your level

Hi friend! Choose how brave you feel today 💪

What's the total?

Tap the numbers, then tap GO

🏆 Hall of Fame

The top math heroes

🎁 Sticker Gallery

Collect them all!

🛒 Gift Shop

Spend your stars on real-world gifts!

🔒 Parent Zone

Enter your 4-digit PIN to unlock

First time here? The PIN you type now becomes your Parent PIN. Don't forget it!

👋 Parent Zone

Welcome back. What would you like to do?

Kids in this app

🎁 Gift Catalog

Add real-world gifts your kids can earn with stars.

🛎️ Redemption Requests

Approve or deny what your kids asked for. Denied = stars refunded.

Pending

History

⚙️ Settings & Data

Change PIN

Backup & Restore

Save all profiles, stars, stickers, gifts, and redemptions to a JSON file. Restore later or move to another device.

Danger zone

How to Play 🧠

Three easy steps

1. 1️⃣   Watch the colorful bubbles. Each one shows a number.
2. 2️⃣   Some bubbles have a little badge: + means add, − means subtract, × means multiply.
3. 3️⃣   Do the math in your head and tap your answer on the keypad, then hit GO.
4. 🌱 Easy: just +  ·  🌟 Medium / 🚀 Hard: + and −  ·  🧠 Brainy: ×
5. 🎁   Score 4 or more out of 5 to win a sticker!

🗺️ World Map

Pick a dungeon, brave hero!