Brand: WJPshopSpecification Product Name: Junior High School Physical Optics Experiment Set Product material: new ABS environmentally friendly material Carton size: 30×21×16CM Product features: no need to assemble, complete experiments, suitcase, easy to carry and store, Accessories Include: F light source Three-line laser Three primary colors Stainless steel rail (for optical bench) Slider (for optical bench) Scale ruler Convex lens for imaging (with rod) Concave lens for imaging (with rod) Optical bench large bracket (left and right symmetrical) Imaging light screen (white plastic plate) Small hole plate (black plastic plate with holes) Ingot screws (both ends of stainless steel rail) F bracket (for plane mirror imaging) Brown glass (for flat mirror imaging) Plane mirror (for specular reflection) Transparent small sink Rectangular glass brick Semi-circular glass brick Plane prism Plano convex lens Plane concave lens Cylindrical curved mirror Experimental instruction book Angle plate (hard paper) Equipment positioning blister Outer box (color printing carton) Gift: AAA battery (not included)