Make a part with the material ForceField, then insert a special mesh into the part and use this texture Id: rbxassetid://5101923607. Then, set the Scale property of the SpecialMesh to the Size property of the Part:
Select the material to “Force Field”, then turn it to which color you want, click on the Force Field, then Go to part and turn on “Can Collide”. That’s if you want to make it so you can walk through it.