Mad Machines And Dotty Devices: Mind-Boggling Inventions!

Available

SKU: 10050323 Category:

From using a balloon to create a rocket, to powering bottles through the water with paddles, these tried and tested ideas will soon have you on your way to techno-wizardry. You’ll also learn to spy on neighbors with a secret Spyscope, or look at your friends upside down with a pin-hole camera.

Author

Susan Martineau

Format

ISBN

9781902915913