The activity
Four groups took part in each 20-minute session, working through tasks from introductory to advanced levels by changing color snaps on the track.
A fuller Japanese report is available on Matrain's official note account.
2026.01.08 / Activity
What we observed at the Programming Experience Plaza in Hamamatsu
On December 20, 2025, Matrain participated by providing learning materials and on-site support at the event in Act City Hamamatsu.