Size:22*18*6cm

【Description】:

◆Suitable for teaching or laboratory use.

◆Set for general and organic chemistry, can be used to build organic molecular structure model and the ball-and-stick molecular structure model.

【Shipping Methods】:

◆China post air mail normally will take :free 15-25days.

◆epackage:free 15-30days.

◆Others shipment methods depends on your country.

【Refund Policy】:

100% Guarantee. If you have any dissatisfaction with our goods once you receive, please just be free to contact us within 7 days, we can provide free replacement or refund. Refund is the final auction price minus Aliexpress deduction of expense (business commission).

※Note:

Due to different policies in different countries, there might be customs tax that should be paid by buyer.   It is uncertian.  We won't take any responsibilities for any taxes occur at destination countries. hope you can understand.

Should you have any quesiton,pls feel free contact us!