150-Piece Micro Puzzle Test your puzzle solving skills with this awesome 150-piece micro puzzle set featuring 188 flags from around the world. The puzzle pieces are SO small that tweezers are included just so you can pick them up! The puzzle pieces are stored inside a quirky little test-tube so you can take the puzzle anywhere with you inside your pocket! It makes a great little birthday gift or stocking filler. Completed puzzle measures 15cm x 10cm. Set includes: 1x Test Tube, 1x Plastic Tweezers, 150x Micro Puzzle Pieces.