Safe-T Lock: Puzzle Box

This is a simple puzzle box with a small storage capacity.
Construction instructions.
Print the pieces. One of each but two of "Piece 3"
Piece 1 slides into the Main Body flush with the sides.
The two "Piece 3" slide into the two aptly sized slots in the Main Body
Slide Piece 1 out slightly until the two small pegs (Piece 3) slide further down
Top Cover fits onto the Main Body
Piece 2 slides into the similarly shaped slot with its two holes facing down
- Flip the box over to slide the two pegs back up into locked position, and slide Piece 1 back to flush.