Meliscellaneous

Build a Geodesic dome with your children out of newspaper.

Instructions here:

http://www.yesmag.bc.ca/projects/geodesic.html (scroll down)

The Molecularium™ family of products and educational tools brings the nanoscale cartooniverse to life in any situation. On our Website, zoom into the molecular level, build molecules, and transform states of matter in the Nanolab of our interactive Kid’s Site.

http://www.molecularium.com/

Patterns

http://www.korthalsaltes.com/

http://www.georgehart.com/virtual-polyhedra/paper-models.html

Woven Paper Polyhedra

http://www.mindspring.com/~jimvb/polyhedra.htm

The Geometry Junkyard 

http://www.ics.uci.edu/~eppstein/junkyard/polymodel.html

http://www.ikoso.com/omni.html

Fun science experiments and a few math tricks from Highlights Magazine.

http://www.highlightskids.com/Science/h8tryThisArchive.asp

http://www.lib.muohio.edu/pictbks/search/boolean.php

http://homeschooling.gomilpitas.com/extras/Gak.htm