Proizvod vam ne odgovara? Nema veze! Možete nam vratiti unutar 30 dana
S poklon bonom ne možete pogriješiti. Za poklon bon primatelj može odabrati bilo što iz naše ponude.
30 dana za povrat kupljenih proizvoda
Each book in this series focuses on a type of simple mechanism and examines how it is used to make different toys work. This book examines screws, nuts, and bolts, and uses simple language and labeled photographs to explain the scientific principles behind