Summary

I designed and illustrated the picture book “Where is the red triangle?” The book will be released by KADOKAWA on February 5, 2025.

Link

• KADOKAWA

Release

2025

News

Perfect for your first math learning! A picture book for children ages 2 and up to enjoy numbers and shapes.

‘Katacchi’ and ‘Suzy’ are always playing well together, but they are both a little frazzled.

One day, Katachi’s red triangle ear is missing!
When they go looking for the red triangle, they encounter animals and dinosaurs of various shapes and numbers.

Can they find Katachi’s ears?

This picture book is a fun way to learn the basics of arithmetic, including numbers, shapes, colors, length, weight, quantity, and grouping.

‘Katachi’ and ‘Suzy’ in this picture book are characters created in the company’s illustrated book ”Playable arithmetic”.