6 x 4" Plastic Mirror, 10-Pack Weight_100g packaged with a keeper that

packaged with a keeper that bridges the poles to keep the field intact between sessions

this basic Paramecium model demonstrates ciliate structure and single-celled organism anatomy for biology teaching

this universal clamp holder accepts rods up to 20 mm in diameter and bolts securely to retort stands for oversized load support

10-inch vacuum pump plate on an aluminum base with a stopcock and rubber seal

6 x 4" Plastic Mirror, 10-Pack Weight_100g packaged with a keeper thatDesigned for safer per desk reflection work, ten 6 by 4 inch acrylic plane mirrors arrive as a 10 pack, lightweight and shatter resistant for image formation and ray tracing experiments.