Double Convex Lens, Highly polished, optically true lens is excellent for physics classroom demonstrations in optics and light refraction, with ground edges, great for physics classrooms, with highest grade, Size: 250 mm focal length, Lens measures 1.5in diameter, 0.2 weight
Electroscope Needle, Great For Hands On Experience With Electrostatic Principles In Physics Classrooms And Labs. The Sheet Metal Walls Of The Electroscope Are Attached To A Plastic Base And Top. Front Glass Window Slides Up To Allow Insertion Of Ionizing Material In Chamber
Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Equilateral Prism, Material: Acrylic, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (even in room light) by using the simple led light of a smart phone, User will need to create a small slit in a black piece of paper, Size: 1in Hx1in W
Human Skeleton Model, with Ligament Details, Painted Muscle Origins and Insertions, Flexible Spine and Joints - Rod Mount with Rolling Base, Numbered keycard, anatomical chart and dust cover included
Ant Life Cycle Stages, Children can see how ants change as they grow with Insect Lore’s Ant Life Cycle Stages. These oversized, anatomically correct figures have been accurately painted and sculpted to show the four stages of ant development: eggs, larva, pupa and adult.