Love your iPhone 4's insides so much? You can now take a look at them all day without having to open the back cover of your iPhone 4 using this Teardown decal made to look exactly like the guts of the iPhone 4. This 3M skin can also be used as a scratch protection for the back of your iPhone 4 and will leave no sticky residue.  You can pick the Teardown decal for $9.99 at Etsy.