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Wedges

Simple Machines (Series)

Andrea Rivera Author
(2017)

Wheels and Axles

Simple Machines (Series)

Andrea Rivera Author
(2017)

Pulleys

Simple Machines (Series)

Andrea Rivera Author
(2017)

Screws

Simple Machines (Series)

Andrea Rivera Author
(2017)

Metal

Materials (Series)

Andrea Rivera Author
(2017)

Plastic

Materials (Series)

Andrea Rivera Author
(2017)

Cloth

Materials (Series)

Andrea Rivera Author
(2017)

Glass

Materials (Series)

Andrea Rivera Author
(2017)

Paper

Materials (Series)

Andrea Rivera Author
(2017)

Wood

Materials (Series)

Andrea Rivera Author
(2017)