This 3-cell AA battery holder is excellent for use in any hobby or science project. Comes with wire leads for easy hook-up. Recommended for electronics applications, for use in science fair projects and more!
This classic desk toy will keep you amused! Large, 7 inch tall version.
Working model representing the sun, earth, and moon and their relationships.
Build a robot that's an artist too!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.
View the glory of space with this hi-tech telescope set!
Create beautiful art with this amazing sun paper!