Build your own Birdhouse Kit, Teachers, this is a great and affordable way to get your kids Design, Building while creating something practical and at the same time beneficial for the environment, Perfect size for a chickadee or finch, Comes unpainted, Assembly required
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: 3in Hx1in W
Equilateral Prism, Material: Glass, Useful for Experiments in Optics, Light Refraction and Wavelengths, Designed for physics and educational uses. Because of their educational use design, there may be minor imperfections that do not affect physical function, Size: 3in (75mm) x 1in
Lead-Free Clylinder Set. 5 Cylinders, 0.5Inch Diameter. Aluminum, Copper, Tin, Zinc, Brass, Help Beginning Students Conceptually Understand Density, 3 3 The Density Of These Metals Ranges From 2.7 G/Cm To 8.8 G/Cm Giving Students A Wide Range Of Different Values To Study
Pulley Large Demonstration Triple, 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
Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Density Cube, includes one each of acrylic, oak, pine, poplar, steel, aluminum, copper, brass, nylon, and PVC cubes packaged in a wooden storage box, Includes a reference table showing density values of individual specimens, Set of 10
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
Pulley Large Demonstration Single, 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, Refractive index close to optical glass, can produce a rainbow from a non-monochromatic light source such as sun light, Perfect for student use, which will not break or chip like glass, is a softer material, Size: 50mm length, 25mm face size
Equal Mass Cylinder Set, Aluminum, Copper, Tin, Zinc, Lead, 5 Cylinders, 0.5 Inches In Diameter, To Study The Relationship Between Mass & Density, Set Of 5 Cylinders Having Same Mass & Dia 0.50in Varying Lengths.
Equilateral Prism, Material: glass, Useful for experiments in Optics, Light Refraction and Wavelengths, Will create a rainbow (in room light) by using the simple led light of a smart phone, User will need to create a small slit in black piece of paper and use, Size: 6in Hx1in W
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