7-Piece Glass Prism and Lens Set, 13mm Thick, with Wooden Storage Subcategory_Reflection and Refraction Thirty-two-inch advanced pulley demonstration set

Thirty-two-inch advanced pulley demonstration set with 8 singles

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

Hand-driven Newton's color disc that spins seven painted segments fast enough to merge into apparent white through persistence-of-vision and additive color mixing

5 inch plastic case

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

7-Piece Glass Prism and Lens Set, 13mm Thick, with Wooden Storage Subcategory_Reflection and Refraction Thirty-two-inch advanced pulley demonstration setSeven 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.