With COBL,
anyone can enjoy coding.

COBL is a coding education tool that makes learning to code easy and interesting and helps users bring their imaginations to life.


COBL supports various softwares for coding education.

COBL provides COBL Scratch for easy and fun coding education, based on MIT Scratch 2.0 and App Inventor

COBL blocks work with a wide-range of other parts.

COBL’s blocks easily connect with a variety of sensors and devices and are compatible with Duplo blocks, making assembly easy and the creative potential endless.

COBL creations can be used in many ways

Beyond being a coding education tool, COBL is also an opportunity for users to engage with IOT, demonstrate a prototype, and is a fun toy for kids

COBL’s content is open-source so that any user can create.

Through COBL's communication channel, COBL shares tutorials and examples for how to use COBL.


From basic coding practice to robotics and IoT



Shall we use IoT with COBL?

You can make an IoT intruder alarm and smart home with COBL blocks. Let’s experience the limitless world of IoT through COBL Scratch and the COBL IoT homepage.

COBL x app inventor

Shall we make a COBL App with App Inventor?

COBL’s App Inventor is in development and the release date is early next year.
See you soon!


COBL’s own software expands coding skills and can be installed in just 5 minutes,
the COBL User Guide explains how to use COBL,
and COBL’S MIT Scratch file allows user to practice
with COBL Scratch and COBL-S

Enjoy and work with COBL