This helpful pen contains ten different colors to use for all kinds of art projects. Just twist the top part to click the pen out of position, then click the button to choose your next color. Excellent for use by teachers and students.
Note: Pen casing comes in various colors. You may not receive color pen noted in picture, but function and form of pen is the same. We cannot guarantee what color pen will be sent to customers.
Do micro-controller projects and program them using your own computer!
The LCD Digital Microscope II is a professional biological microscope at an affordable price. Up to 1600X with digital zoom!
This glass Erlenmeyer mug makes an excellent gift!
Use this laser pointer for any professional presentation!
This classic desk toy will keep you amused! Large, 7 inch tall version.
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.