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

by Laura Perdew Paperback details (USA). (see also: eBook (Kindle)) details (United Kingdom). (see also: eBook (Kindle)) details (Germany). (see also: Kindle Ausgabe) details (Canada). (see also: eBook (Kindle)) ISBN: 978-1-61930-826-8 ISBN-10: 1-61930-826-6 Nomad Press · 8. October 2019