Lodestones are amazing magnetic rocks found in nature! These lodestone chunks are naturally magnetized pieces of magnetite; note the iron filings which still cling to the rock when you remove it from the packaging as evidence. Lodestones were originally utilized as rudimentary compasses, but these days they make a great gift for a young scientific explorer or the geologically-inclined adult. Introduces fundamental magnetic concepts. Fun stocking stuffer; fool them into thinking it’s coal. ;)
NOTE: These are natural geological formations; most likely your piece will not exactly resemble our sample picture.
This magnet has a strength of: 50 Gauss (0.005 T)
This project book and sample kit introduces you to shape-memory alloy technology!
This classic desk toy will keep you amused!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Cool new Pi tee featuring ultra soft and light blue 100% cotton shirt.
Build a robot that's an artist too!
This science kit is an essential introduction to physics knowledge!