A fascinating thermomstration of the law of heat expansion (top of pen is breakable glass, filled with non-toxic methanol and food coloring). Blue or Black ink (our choice), with Red, Blue, Green or Purple colored fluid (your choice). Call for quantity discounts.

Anatomical pens are replicas of an artery, femur bone or finger bone. Blue or Black ink (our choice). Call for quantity discounts.

Artery Pen, (pack of 2)- Item# AP-3022 - Price: $4.00
Femur Bone Pen, (pack of 2)- Item# AP-3023 - Price: $4.00
Finger Bone Pen, (pack of 2)- Item# AP-3024 - Price: $3.00
Finger Bone Pen (glow in the dark), (each)- Item# AP-3025 - Price: $3.00