Pulley Plastic Ball Bearing Tandem, Triple Triple Plastic Pulley In Tandem, On An Open Sided Steel Frame, With Hooks At Each End Carrying Three Ball Bearing Plastic Pulleys With Diameters Of 25, 38 And 50 mm, Inner Gap Of Pulley: 3 mm, Overall Length Is 17.6 Cm
Spectrometer - Basic, Sturdy Metal And Includes An Adjustable Collimator Tube, Telescope, And Prism Stand, For Use In Elementary Schools, Measure The Angle Of Prisms Using The Law Of Reflection, Demonstrate Optics Phenomenon With A Diffraction Grating Or Measure The Wavelengths
Stroboscope, A Hardboard Disc With Twelve 50 X 3 mm Slots And Finger Hold, Pivoted On A Ball Bearing Mount Which Also Acts As A Convenient Handle. Diameter Of Disc 255 mm
Maker Kit Large, Perfect for Maker Space, Age: 6+, 800+ rods & connectors in both classic and micro scale that are made in the USA, with Reusable Storage Tub for easy clean and storage, 100 Building Ideas, budding makers use the parts to design and create their own DIY project
Pulley On Clamp - Metal, Includes: (1) Pulley On Clamp, Clamp Has A 45mm Plastic Pulley With Bracket For Bench Mounting Up To 25mm Thickness. Can Be Used With A Force Table As Well, Clamp Made From High Qaulity Metal, Painted Red, Pulley Made Of High Qaulity Plastic