Incoming Resources
- Pyramids, by Nathan Olson
- Cubes, by Nathan Olson
- Piramides, Pyramids, por/by Nathan Olson
- Redondo, o, Cuando los círculos se convierten en esferas, Claudia Hernández García ; ilustraciones de Luis G. Pombo
- 3-D shapes, Marina Cohen
- Prisms, Bonnie Coulter Leech
- Pyramids, Bonnie Coulter Leech
- Figuras tridimensionales, Luana K. Mitten
- Cool flexagon art, creative activities that make math & science fun for kids!, Anders Hanson and Elissa Mann