It is required that you work with a molecular model set in CHEM 4210/5210.
You are allowed to bring your model set to tests.
Here are some options. Pick what you like.

OPTION #1 "The Classic": HGS Organic Chemistry Molecular Models from HGS/MARUZEN

[1] 1003A/Organic Chemistry Basic Set ......... $28.00 (on 07/26/21)
[2] 1013A/Organic Chemistry Set for Student ... $17.00 (on 07/26/21)
[3] 1005A/Organic Chemistry Standard Set ...... $50.00 (on 07/26/21)
--> Instruction manuals (PDF) are available online for free.


OPTION #2 "The Cash Saver": Models Sets for Organic Chemistry from MEGA MOLECULES, LLC

[1] MG140 Organic Chemistry Molecular Model Set (140 pieces) ... $20.00(on 8/23/21)
The same set is also available at the same price via amazon.


OPTION #3 "The New Cool Kit on the Block": Molecular Model Sets from DULUTH LABS

[1] MM-003 Chemistry Molecular Student Set ... $23.97 (on 07/26/21)
[2] MM-004 Chemistry Molecular Student Set ... $27.95 (on 07/26/21)
[3] MM-005 Chemistry Molecular Student Set ... $26.97 (on 07/26/21)
[4] MM-006 Chemistry Molecular Student Set ... $29.95 (on 07/26/21)