The left and right sides hinge up then tip out away from the device. No screws, just two pegs per side.

3x phillips 00 screws hold the main board on.

2x phillips 00 screws hold the L + R buttons and scroll wheel assembly.

The laser eye board seems to be soldered to main board and is not removable.

2x torx T6 screws hold the lens to the main board. Unless you need to clean this, there is no need to remove these screws.

To re-assemble the wings, drop the front onto the front peg then "hinge" down onto the back peg.