Optical Experiment Set
Igwe Ọdụdọ osisi 40 * 28cm, rotatable diski dia.21.2cm, 7 ahịrị optial ìhè soure, plastic ngwa anya oghere set nke 7.
Dee ozi gị ebe a ma zitere anyị ya
Igwe Ọdụdọ osisi 40 * 28cm, rotatable diski dia.21.2cm, 7 ahịrị optial ìhè soure, plastic ngwa anya oghere set nke 7.