Making cell phones takes a lot of materials and tools. Senku begins by upgrading their equipment using the waterwheel Chrome and Kaseki invented and built together.
Oh, damn! I have an idea!
!تبًّا، لدي فكرة
Alter! Ich hab die Idee!
¡Qué malote! ¡Tengo una idea!
¡Qué chungo! ¡Tengo una idea!
La vache, j’ai une idée !
Pazzesco! Ho avuto un'illuminazione!
Ah, droga! Eu tive uma ideia!
О чёрт! Меня осенило!