This rubber bulb pipette filler eliminates any need for mouth pipetting, which can be dangerous. The three-valve design allows you to release air, draw liquid into the pipette, and release liquid in accurate measurements. Indispensible for any lab or classroom that works with toxic, volatile, or otherwise dangerous chemicals or liquids.
Command robotic creations with this cool construction kit!
Discover a world of kaleidoscopic effects within this perfectly clear prism of the Light Crystal!
Experience this sphere powered by the sun!
This is a classic demonstration toy of the powers of magnetic fields!
The Wimshurst Machine is a high quality static machine for student labs.
Make the coolest 3D pin art on your desk with this amazing desk toy.