The Top-Force Evolution Open Top (Japanese: トップフォース エボリューション オープントップ, Toppu Fōsu Eboryūshon Ōpun Toppu) is a limited edtion Racing Mini 4WD car released by Tamiya on July 21, 2012. It was the open top version of the Top-Force Evolution Jr..
Like all the open top models, the open top version of the Top-Force Evolution has the canopy cut open and has the driver figurine in its place.
The body decal is mostly the same, except it became sharper and has the blue/green coloring. It has the car number 4 on the winglets and has the 'Top-Force Evolution Open Top' on the side of the bodyshell and on the spoiler. It is mainly in light gun metal.