This 2-cell AA back-to-back battery holder with wires is excellent for use in any hobby or science project. Comes with 6 inch black/red wire leads for easy hook-up. Recommended for electronics applications, for use in science fair projects and more!
This high precision gyroscope will amaze you with rotational speed and ease of precision.
This classic desk toy will keep you amused! Large, 7 inch tall version.
Create beautiful art with this amazing sun paper!
Comprehensive collection of 30 fossils.
This kit allows to build up to 3 different robots!
Easily assemble a working alarm motion detector!