This is an interactive lesson Wiki - a launch pad to a range of materials on some common topics and literacy areas (eg biography)
Seasonal Arts and Crafts for Kids: Holiday Crafts and Special Days
Whether you call it slime, flubber, oobleck, goo, goop, gak, gunk, ooze, putty, or play dough, we are talking about gooey, homemade polymers that can provide both hours of fun and an introduction to chemistry.
M.C. Escher (1898-1972) was a Dutch illustrator known for his optical illusions, tessellated repeating patterns, and intricately detailed black-and-white images illustrating mathematical principals.
First thing you'll probably notice, is that this site is in Dutch.
Named after the image on a box of Droste brand chocolate, the Drost effect is a Dutch term for a recursive image that includes a picture of itself.
Among his [Escher's] greatest admirers were mathematicians, who recognized in his work an extraordinary visualization of mathematical principles.
Object 3 of 24. Created while Escher was still a student at the School for Architecture and Decorative Arts in Haarlem, this is the first print to demonstrate his theory of the regular division of a plane.
The Official M.C. Escher Website, published by the M.C. Escher Foundation, has a biography, a quotes page, six picture galleries, and a good Escher bibliography.