A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism ...

Join Mrs. McCartney for a word problem with Professor Barble that will make more sense. Join Mrs. McCartney for a word problem with Professor Barble that will make more sense with a visual model. Get ...

Since it crowdfunded on Kickstarter back in 2013, 3Doodler has come out with multiple versions of its 3D-printing pen -- including a kids version and a pro version-- as well as themed kits focusing on ...

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