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This exciting fruit or potato clock allows students to explore the workings of an electrolytic cell...

Description: Spring is visible, encased in a sturdy polystyrene clear cylindrical case with gr..

Set of 17 pieces of 3-Dimensional Geometric Shapes, consisting of prisms, pyramids, cones, cylinders..

Set of 17 pieces of 3-Dimensional Geometric Shapes, consisting of prisms, pyramids, cones, cylinders..

Set of 17 pieces of 3-Dimensional Geometric Shapes, consisting of prisms, pyramids, cones, cylinders..

The Big IdeaGet ready for building fun on the run with this portable construction bucket featuring a..

By Erica Dakin Voolich. Classroom-tested activities using Power Solids to show the relationships amo..