yesadd. Strictly speaking, a geometric cone is a solid. But 'ice cream cones' will stack.Similarly, a circle is the disk bounded by the curved line, NOT the curved line.
cone
The square based pyramid does not stack or roll.
A cone !!
A cone is a solid with a flat circular base tapering to its vertex or
cone that is my answer
Cubes are solid shapes that can stack neatly on top of each other, creating a stable structure.
geometric solid
legos
A pyramid will not roll and you cannot stack objects on top.
A cone?
an ice-cream cone