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•Scratch-resistant aluminum housing protects internal components
Grade A high efficiency polycrystalline voltaic solar cells
25mm x 50m
Kraft Paper
Polydron Engineering Class Set 30410 •Scratch-resistant aluminum housing protects internalDemonstrates engineering principles and the workings of simple machines 250 pieces with various components as shown in the key. Includes excellent workcards. Build the following 14 models: Cable Car, Gear Toy 1, Gear Toy 2, Chairspinner, Chairoplane, Big Gear Toy 1, Big Gear Toy 2, Four Cylinder Engine, Gearbox, Crane, Gyro, V8 Engine, Clock, Vertigo. 3 to 4 models can be made at a time. These excellent sets contain the latest innovations including
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