Reducere. From lightbulbs and bottle caps to water taps and peanut butter lids, screws are everywhere! Learn about screws and make your own spinning top with...
lerner publications (tm), carti, carte straina, technology
Reducere. 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 levers a...
heinemann educational books, carti, carte straina, lifestyle
Reducere. Cartile din aceasta colectie ii invita pe copii sa se joace de-a v-ati ascunselea intr-un mod spectaculos, diferit de cel din curte. In calitate de...
john norris wood, carti pentru copii, practic pentru copii
Reducere. From Stephen R. Covey--the late, legendary author of The 7 Habits of Highly Effective People--a set of principles for achieving a happy and fulfill...