A Graham condenser is a piece of laboratory glassware used to cool hot vapors or liquids via water-cooling. The substance which requires cooling passes through the sprial coil in the middle of the condenser while the coolant passes through the hose barbs on the side and around the coil, cooling the substance. Essentially for laboratories and certain experiments.
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
A massive mounted set of 100 rocks and minerals found in the US,
Make the coolest 3D pin art on your desk with this amazing desk toy.
Build your very own smart robot!
NEW 2016 DESIGN! This hip red tee features Pi to 1000 decimal places on an ultra soft 100% cotton shirt.