The phrase "circus tricks" refers to the impressive and entertaining stunts performed by performers in a circus. It can include acrobatics, juggling, tightrope walking, and other skills that require practice and skill. Full definition
Recognizing «sight word» for example in K is nothing more than teaching circus tricks... and it will inhibit their ability to actually sound out tough words when they come along. (jonathanpelto.com)
To keep with learning new fun things, we'll also learn new circus tricks to show off and help make you a better trainer. (clearmindcanine.com)