Cochranes Orbit size bond tube sets chemistry model sets molecular model sets
产品介绍:
产品说明
一般描述
Components: green, 3.5 cm (140) green, 2.5 cm (140) green, 2 cm (420) green, 21 cm (10) grey, 21 cm (3) white, 21 cm (3) red, 21 cm (3) flexible white, 21 cm (5)