Simple Machines

Jeff Barger
Série • 6 livres • Ordinateurs et technologie pour enfants
Simple Machines Screw Simple Machines Screw
Simple Machines Screw
Jeff Barger
Simple Machines Wedge Simple Machines Wedge
Simple Machines Wedge
Jeff Barger
Simple Machines Inclined Plane Simple Machines Inclined Plane
Simple Machines Inclined Plane
Jeff Barger
Simple Machines Pulley Simple Machines Pulley
Simple Machines Pulley
Jeff Barger
Simple Machines Wheel and Axle Simple Machines Wheel and Axle
Simple Machines Wheel and Axle
Jeff Barger
Simple Machines Lever Simple Machines Lever
Simple Machines Lever
Jeff Barger