Hand-held megaphone with shoulder strap. With siren & music/speak, on/off switch and volume control. ABS housing.
Experience this sphere powered by the sun!
The Wimshurst Machine is a high quality static machine for student labs.
Shake the Pet Tornado clockwise and watch the mini tornado funnel form before your eyes!
This is a great clean heat demonstration model for the classroom setting!
Great reference card for chemistry and physics students.
Learn about hydrogen fuel cells with this incredible kit!