A colorful chain-reaction animation

Name: A colorful chain-reaction animation
Uploaded: 2026-09-23
Channel: Kohya Tech
Description: A pastel JavaScript animation shows a sequence of blocks, a pencil, and a pink device on a lined background, with a play button inviting the viewer to start it.

A pastel JavaScript animation shows a sequence of blocks, a pencil, and a pink device on a lined background, with a play button inviting the viewer to start it.