"Invention Showdown: Flash of Inspiration! : Invention Showdown Manga 2 (Inventions for Rainy Days)" Hong Jong-hyun / Gomdori co. ISBN: 9784023312999 Price: 1,320 yen (tax included) Release Date: May 8, 2014 B5 variant size, paperback / 196 pages *Currently 【Out of Print - Reissue Undecided】 A story set in a school invention competition, with the theme of "inventions for rainy days." Unique ideas such as a safety backpack with an umbrella and an instant dryer for wet umbrellas appear one after another, allowing readers to enjoyably learn about scientific knowledge such as "elasticity" and "the principle of inclined planes." 【Condition】 ・There are about 2 folds. ・I think it's in a condition that allows for reading without problems. ・Please purchase only if you understand that it is a used item. It will be shipped via Mercari delivery. ⸻ #FlashOfInspiration #InventionShowdown #Children'sBooks #EducationalManga #Science #Science #SummerProject #OutOfPrint #ReissueUndecided #Books #HongJongHyun #Hong_JongHyun #GomdoriCo #Books #Nature/General"