Features:<br> 1Plastic Material: Molecular model kit is made of environmentally friendly plastic, which is very safe and will not be broken. It can stimulate children's interest in learning, exercise practical skills, and expand spatial imagination. 2Bright Colors: Molecular model kit is composed of colored plastic balls and connecting keys, with bright colors, excellent craftsmanship, easy to use, and durable. 3Teaching Tools: Organic chemistry model kit is used for inorganic/organic chemistry tutorials, organic molecular structure models, and spherical molecular structure models. 4Scope of Application: Molecular model kit can be used to describe the structure of various inorganic and organic molecules in chemistry textbooks. 5Applicable Scenarios: Molecular model set can be used to construct a variety of common and slightly complex C, H, O, N, chemical organic molecular structure models, suitable for teaching and laboratory use.<br> Item Type: Molecular Model Kit<br> Material: PP<br> Package Included:<br> 18 x Black Atom<br> 4 x Red Atom<br> 3 x Sky Blue Atom<br> 1 x Purple Atom<br> 1 x Yellow Atom<br> 4 x Green Atom<br> 28 x White Atom<br> 1 x Small Wrench<br> 16 x Purple Connection Key<br> 40 x White Connection Key<br> 20 x White Scale Key<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia