What's this?
circle
What's this?
torus
What's this?
semicircle
What's this?
rectangular prism / cuboid
What's this?
quatrefoil
What's this?
hexagonal pyramid
What's this?
heptagon
What's this?
ellipsoid
What's this?
spiral
What's this?
cone
What's this?
sphere
What's this?
star
What's this?
octagon
What's this?
parallelogram
What's this?
triangle
What's this?
dodecahedron
What's this?
crescent
What's this?
octahedron
What's this?
diamond / rhombus
What's this?
pentagon
What's this?
icosahedron
What's this?
nonagon
What's this?
square
What's this?
triangular prism
What's this?
heart
What's this?
rectangle
What's this?
square pyramid
What's this?
oval / ellipse
What's this?
cylinder
What's this?
trapezium / trapezoid
What's this?
arrow
What's this?
hexagon
What's this?
curvilinear triangle
What's this?
cube
What's this?
right triangle
What's this?
decagon
What's this?
tetrahedron
What's this?
hemisphere