toy with

toy with

verb. consider (an idea, proposal, etc.) casually, not serious 

"He is toying with the idea of launching his own London tour company, to be called Where are we?"

"The scientists who are studying the newly discovered star, called KIC 8462852, began to toy with the idea that the strange signals around the star was caused by an advanced alien civilization."

"I am toying with the idea of creating a Facebook page teaching how to code."