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With attractive characters, the basic concepts of mathematics grow!

Learning play with easy numbers only

EASY LEARNING COMPOSITION

It is made up of very small and easy numbers from 0 to 5.
It's easy and fun for kids who are unfamiliar with numbers.

Encounter number with friends and multiple objects

VARIOUS CONTENTS WITH HIGH INTIMACY

Play with numbers using many items with your character friends.
As you move things around, the numbers are complete, and when you press the numbers, various friends respond, making it easier to understand.
To play with numbers. It's not difficult.

The numbers are still challenging and unfamiliar for children

EYE-LEVEL APPROACH

It allows you to experience numbers playfully and lightly before you start to learn math.
It is composed of stages, such as counting, adding, subtracting.
In "OTSILOI First Number Play," you can learn a variety of concepts from simple actions.

Effective interface for children

USABILITY TAILORED TO THE CHILD'S ENVIRONMENT

It can be challenging for children to operate large screen devices such as pad or computer.
The interface is efficiently configured and optimized for small mobile phones and is designed to be easily accessible even on small screens.
Small but easy and comfortable for children.

Download it from the App Store.
You can enjoy the first stage for free.