Crazy Contraptions: Build Rube Goldberg Machines that Swoop, Spin, Stack, and Swivel: with Hands-On Engineering Activities (Build It Yourself)

by Laura Perdew Hardcover details (USA). (see also: eBook (Kindle)) details (UK). (see also: eBook (Kindle)) details (Germany). (see also: Kindle Ausgabe) details (Canada). (see also: eBook (Kindle)) ISBN: 978-1-61930-823-7 ISBN-10: 1-61930-823-1 Nomad Press · 8. October 2019