7-Piece Glass Prism and Lens Set, 13mm Thick, with Wooden Storage Subcategory_Reflection and Refraction Wooden wheel-and-axle simple-machine model on

Wooden wheel-and-axle simple-machine model on a 9

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

integrating with standard projection setups for formative assessment and active engagement

landing it back in the same barrel as the car rolls forward

5 inch plastic case

7-Piece Glass Prism and Lens Set, 13mm Thick, with Wooden Storage Subcategory_Reflection and Refraction Wooden wheel-and-axle simple-machine model onSeven piece glass prism and lens set at 13mm thickness with all faces polished, the wooden storage box housing optical grade shapes for dispersion, refraction, and image formation work.