Hand-held megaphone with shoulder strap. With siren & music/speak, on/off switch and volume control. ABS housing.
Learn all about the science of light, optics and visual perception with this wonderful kit!
The large realistic model has removable organs that can be studied and set back into the correct position.
Explore the wonders of wind power with this amazing kit!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
A massive mounted set of 100 rocks and minerals found in the US,