Optical Full Set Products Category : Science experiment kits > Optical Instruments INQUIRY Details With a 1m-aluminum axle and 28pcs of spare parts, can experiment with three primary colors of light, refraction-reflection, total reflection and optics. Send Inquiry Name:* E-mail:* Tel: Content:* Verification Code:* (All * must be filled in) [ Previous: ] [ Next: ] Related Products Light Refraction and Reflection Three-Color Light Source B Optical Presenter Newtons Seven-Disc Moire Fringe Interference and Diffraction of Light(Red) Basic Optical Presenter Three-Color Light Source C