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
To the Reader: The purpose of this book is to aide children and motivate them about scientific principals such as mechanical advantage and both simple and compound machines. The vocabulary words and related learning activities located in the appendix can h