Author: Bobby Mercer
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Junk Drawer Ecology: 50 Awesome Experiments That Don''t Cost a Thing
Bobby MercerCurrent price €17.79Original price €19.99Kids of all ages can use recycled and repurposed household items to complete exciting and green ecology experimentsJunk Drawer Ecology is a hands-o...
View full detailsCurrent price €17.79Original price €19.99Save 11% -
The Racecar Book: Build and Race Mousetrap Cars, Dragsters, Tri-Can Haulers & More
Bobby MercerCurrent price €15.95Original price €18.99You may not be old enough to drive, but that doesnt mean you cant satisfy your need for speed. Author and physics teacher Bobby Mercer shows how to...
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Junk Drawer Engineering: 25 Construction Challenges That Don''t Cost a Thing
Bobby MercerCurrent price €19.39Original price €19.99Theres no need for expensive, high-tech materials to test your engineering skillsyou probably have all you need in your home junk drawer. Each hand...
View full detailsCurrent price €19.39Original price €19.99Save 3%
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