What do you think?
Rate this book
Machines
Introduces basic facts about the construction and function of simple machines with instructions for related experiments and projects.
48 pages, Hardcover
First published December 1, 1961
Ratings & Reviews
Friends & Following
Create a free account to discover what your friends think of this book!
Community Reviews
Displaying 1 of 1 review
October 11, 2021
Full of easy machines that can be made at home with very little prep.
Displaying 1 of 1 review