The Lens Set is an excellent set of 6 unmounted glass lenses with round edges. Each set includes one each of double convex, plano-convex, concavoconvex, double concave, plano-concave, and convexo-concave lens.
These are 50mm diameter.
The Star-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, writers, students, and you!
This magic bird defies gravity before your very eyes!
You don’t think recycling is cool? Get a look at this, we’re sure you’ll change your mind!
Illuminate both your room and your mind with this ingenious Periodic Table Lamp.
Make the coolest 3D pin art on your desk with this amazing desk toy.
Learn about detective science through this fun fingerprinting kit!