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A pyramid has a flat bottom and sides that meet at a point.

A pyramid has a flat bottom and sides that meet at a point.

The famous pyramids in Egypt have this shape. The pointy top reaches up to the sky.

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A ball is a 3D shape called a sphere, round all over. A ball is a 3D shape called a sphere, round all over. A cube is a 3D shape with six flat, square sides. A cube is a 3D shape with six flat, square sides. A cone is round at the bottom and comes to a point on top. A cone is round at the bottom and comes to a point on top. A cylinder is a 3D shape shaped like a can or a log. A cylinder is a 3D shape shaped like a can or a log. Bubbles always float as spheres, the roundest 3D shape. Bubbles always float as spheres, the roundest 3D shape.