In their quest to build a rocket, Umika and her friends decide to visit Matataki, their classmate who is a skilled engineer, but doesn't attend classes. However, they soon find out that this mechanic's got one short fuse!
Rocket Notebook
ملاحظات الصّواريخ
Raketennotizen
Progresos del cohete
Progresos del cohete
Quaderno del razzo
Caderno do Foguete
Заметки о ракете