what item in this world have all a rectangle, square, circle, triangle, and hexagon.

if you can name one ill send you to a stray kids concert

A stop sign.

a stop sign doesnt rectangle, square, circle, and a triangle,

Apologies for the oversight. One item that has all four of those shapes is a pizza box.

try again

I apologize for the error. The item that has all the shapes mentioned is a "speed limit sign."