This is Masashi Kawamura‘s Rainbow in Your Hand. Kawamura also worked on the Japanese television show Pitagora Suitchi. In the archives: more flipbooks. This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content. Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.