Two idiots...

It was raining that time..... The two idiot while waiting their parents to fetch them after tuition do something stupid..... They tried to make a calculator (fx-350ms) to stand on a branch..... After the calculator the target change to helmet... (=.=") The conclusion is the did it..... (=.=!!) Both of the object can stand on the branch..... Although is quite weird but one of the idiot quite enjoyed what had they do in the 10 minutes while waiting..... What about the another idiot???