Optical Presenter(Magnet) Products Category : Science experiment kits > Optical Instruments INQUIRY Details Iron whiteboard table supports by two black plastic holder,with a rotatable angle plane. With five-illuminant,semicircular,double convex,double concave,trapezoid,striangle,sliver and three-mirror lens. Send Inquiry Name:* E-mail:* Tel: Content:* Verification Code:* (All * must be filled in) [ Previous: ] [ Next: ] Related Products The Poisson Bright Spots Presenter Three-Color Light Source A Linear Laser Light Source Three-Color Light Source B Moire Fringe Three-Color Light Source C Myopia Hyperopia Demonstrator Three-Color Light Source D