Because of the Coronavirus, I have removed all First Class mail from the shipping options. I cannot process that on the USPS website. I need to do all shipping from that website to limit my time in the post office. I apologize for the extra cost. The saving grace is you will receive your package quicker.
Useful Products For Science Olympiad or TSA models:
Please do not order any wire, smaller bearings or small O rings if you are building only these kinds of models.
To complete orders, you may have to enable cookies on your web browser. If you cannot get to the PayPal screen, enable cookies and try again. You do not need a PayPal account to make purchases. Credit cards are accepted.