It’s time to build some bubbles to fill the Gashapon arcade machine! Use your knowledge of numbers to help the Gashlings make as many bubbles as you can. Bubble Build is a skill-building math game that focuses on developing children’s number sense, which is a sense of what numbers mean and their relationship to one another. The game is designed for children ages 4-8.

Back to GASHA Go! World


  • Select a level

    Bubble Build has ten math challenges. Each challenge has three levels of difficulty. When you master a level, you win a toy that you can add to your toy chest. The goal is to collect all 30 toys.

    Select a Level
  • Use your math skills

    To master a level, you must solve three math problems while helping the workers build three new eggs for the toy egg machine. Once you solve all three problems correctly, you win a new toy.

    Use your math skills
  • Collect all the toys

    You win toys by showing off your math skills. You get a new toy every time you master a level. If you master ALL levels, you will have 30 new toys on your shelf!

    Collect all the toys



Understand the relationship between numbers and quantities; connect counting to cardinality.


Count to answer "how many?” questions.

Support Materials