ETA hand2mind Wood Geometric Solid Blocks, 3D Shapes (Set of 19) Explore 3D shapes with this set of 19 unique solid blocks Shapes measure between 1-inch and 3-inches on a side Smooth blocks that are safe for children Includes 19 blocks: a cube, narrow and wide cylinders, hemisphere, sphere, ellipsoid, cone, ellipsoid and parabola cones, triangular and square pyramids, and prisms Great for ages 6 and up