Math Decent

Math Decent

In this book we aim to inspire a higher level of interest and deep understanding of math reasoning [math sense], give children and young adults a sense of owner...
The Unofficial LEGO Technic Builder’s Guide

The Unofficial LEGO Technic Builder’s Guide

This thoroughly updated second edition of the best-selling Unofficial LEGO Technic Builder's Guide is filled with tips for building strong yet elegant machines ...