Watch as pieces spring off the backing or away from each other. See them flip in your hand. Rare earth magnets make this possible.-- sartep, Aug 01 2003 http://pericles.ipa...ocess_simple_search check out my patent for a magnetic puzzle by entering '2002313996' into the first field. [xaviergisz, Oct 26 2006] I know what mommy is getting for her birthday.-- sub_text, Aug 01 2003 They're called rare because they're not cooked.-- DeathNinja, Aug 02 2003 Exposing a magnet to too much heat makes them lose their charge while at that temperature. So I guess they should not be cooked.-- sartep, Aug 02 2003 Rare earth magnets are made from neodymium, a rare element which is difficult to purify, instead of the usual ferrite magnets, which are primarily iron and boron.-- Cedar Park, Aug 02 2003 Magnet tartare.-- thumbwax, Aug 02 2003 This idea is repulsive. I like it. +-- k_sra, Aug 03 2003 Do you live in punsylvania?-- sartep, Aug 03 2003 clever idea - but I'll have to vote against it because I can't imagine any pastime that would be more annoying than trying to finish one of these.-- custardlove, Aug 04 2003 I s'pose a nonmagnetic 4 piece puzzle would be alot less annoying to solve. :P-- sartep, Aug 04 2003 (For the sake of completeness: [Cedar Park], terbium is also a widely used one (terbium iron boron), and cerium (cerium magnesium nitrate), and there are a few others in close proximity that are useful.)-- Detly, Jul 13 2004 ......(+)...... ...(-)...(+)... (+).........(-) ...(+)...(+)... ......(+)......
Positively like it.-- 2 fries shy of a happy meal, Aug 05 2008 random, halfbakery