…is a plush Paramecium! 😉
Image credits, from top: craftster.org, deviantart.com, craftster.org, deviantart.net, findgift.com.
Sadly, only the bottom one seems to be for sale. The same company also offers an Amoeba that looks like a melting carrot.
Dynamic Ecology
Multa novit vulpes
Dynamic Ecology 
Firebox.com has some similar soft toys….
http://www.firebox.com/product/1052/Giant-Microbes
http://www.etsy.com/search/handmade?search_submit=&q=paramecium&view_type=gallery&ship_to=US
Thanks, that’s great! I actually may have to order the Paramecium onesie for my young son…
Pingback: Friday links: what evolutionary biologists actually do, questions prospective grad students should ask, and more | Dynamic Ecology