Specification AgeRangeDescription : Adult Brand : FYYKXWD BulletPoint1 : Junior Physics Optical Experiments Box : You can conduct optical experiments through this set of optical equipment, and you can adjust different lights with your children. The guide rails are marked with scales to facilitate observation and summarization of the rules BulletPoint2 : Scope of Application: Optical experiment, Physics teaching instrument, Physics experiment,Study the propagation path of light,Convergence of light, Light divergence, Refraction of light, Straight propagation of light, Pinhole imaging, Right-angle reflector experiment, Concave lens imaging, Convex lens imaging BulletPoint3 : Package Included: 1x F light source ,1x instrument ,1x Three primary colors ,2x Stainless steel rail ,3x Slider ,1x Scale ruler ,1x Convex lens for imaging (with rod) ,1x Concave lens for imaging (with rod) , 2x Large stand for optical bench , 1x imaging Screen ,1x Plate with holes ,4x F bracket (flat mirror imaging) ,1x Brown glass ( flat mirror imaging) ,2x Plane mirror (specular reflection) ,1x sink ,1x Rectangular glass ,1x Semi-circular glass ,1x Plane prism ,1x Plano convex lens , BulletPoint4 : Function : Extensive package of equipment for middle school and high school physics labs. Ideal for teachers, home school, and young scientist. Ideal for teachers, home school, and young scientist. Packing size: 53X12X14 CM (total length of optical bench 50CM) BulletPoint5 : High Quality Optical Equipment: The length of the guide rail is 50 cm. It is lighter than traditional optical platforms and easy to assemble and store. Can be used in various common optical experiments, such as: light shift, imaging rules, etc. your satisfaction is our top priority. In case of problems during the transaction or use, send me an e-mail and I will resolve it as soon as possible. Color : One Color CpsiaCautionaryStatement : no_warning_applicable ExternallyAssignedProductIdentifier : 8258610026374 ItemDisplayDimensions_Length : 3.54 centimeters ItemDisplayWeight : 0.06 pounds ItemName : Small Hole Plane Mirror Imaging in The Physical Equipment Box in The Optical Bench Physical Optical Experiment Set Educational Toy for School ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-classroom-optics-kits ItemVolume : 1 cubic_centimeters Manufacturer : FYYKXWD Material : Plastic, iron ModelName : FYYKXWD ModelNumber : FYYKXWD NumberOfBoxes : 1 NumberOfItems : 1 NumberOfLithiumMetalCells : 1 PartNumber : FYYKXWD ProductDescription : Features: - You can do optical experiments and demonstrate optical principles and effects for kids. Includes 5 lens. - A large number of equipment for secondary and high school physics laboratories. - it can show different aspects of lenses and light passing through and bending for reflecting and refracting light. - Durable ABS plastic optical brackets. Made of environment-friendly materials, high quality and durable. - Easy to operate by student themselves or teachers, Clear and concise illustrated manual included. After assembly, install 2 * AAA batteries (not included) - The rails are marked with scales to facilitate viewing and summarizing the rules.