I frogot that was even a thing you could do. :)  Took me a good 20 sec to figure out where the link was.   https://cdn.thingiverse.com/assets/2c/e1/7d/28/2b/toyvax.stl

If it's 404'd try downloading the individual files but I only can here to say OP made me chuckle as a dad if my son was ~5 years younger this would be the go to print

 https://www.thingiverse.com/thing:5149667
Urls in the title are - well.. something i cant click on. :) 

Now to print some for the Grandsons Doctor Kit.

And.... its Error 404 on thingaverse..

Vaccinate all the things! (https://www.thingiverse.com/thing:5149667)