Lance Dragon Defends His Castle with Simple Machines

Hey, dudes! Skateboarding is my thing, but when barbarians invade my castle, I have to defend myself. Watch me launch a water balloon with a lever and lower a key with a pulley. Roll with me and find out how simple machines simply rock!

About the author

Eric Braun is a children's author and editor. He has written dozens of books on many topics, and one of his books was read by an astronaut on the International Space Station for kids on Earth to watch. Eric lives in Minneapolis with his wife, two kids, and a dog who is afraid of cardboard.

Product details

• Authors: Eric Braun, Eric Mark Braun
• Assisted by: Anthony Briglia (Illustration), Anthony Joseph Briglia (Illustration)
• Publisher: Capstone
• Languages: English
• Age Recommendation: ages 7 to 8
• Product format: Paperback / Softback
• Released: 07.01.2012
• EAN: 9781404877085
• ISBN: 978-1-4048-7708-5
• No. of pages: 24
• Dimensions: 244 mm x 249 mm x 3 mm
• Weight: 113 g
• Series: In the Science Lab; In the Science Lab
• Subjects: Children's and young people's books > Non-fiction books / Non-fiction picture books > Natural science, technology; Education and learning > Schoolbooks, general education schools