Look around the room. Hunt for cubes, spheres, cylinders, cones, pyramids, prisms. They're everywhere once you see them.
Common 3D shapes in the wild
- Cube — dice, sugar cube, building block
- Cylinder — soup can, candle, drum
- Sphere — ball, orange, bubble
- Cone — ice cream cone, traffic cone, party hat
- Pyramid — Egyptian pyramid, tent
Count faces, edges and vertices for each. Euler's formula: V − E + F = 2 (for any convex solid).