This 1-1/4 inch ceramic bar magnet is made of strontium ferrite. It is a classic low-cost magnet for demonstration and experimentation. It comes with north and south poles indicated. Get a few of these for your next science fair project!
Discover how solar cells make electricity with this awesome kit!
Command robotic creations with this cool construction kit!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
An educational light experiment kit for kids 8+.
Explore the wonders of wind power with this amazing kit!