An eclectic mix of 15 mini puzzles in ultra-cute mini matchboxes. Every puzzle has been carefully selected and designed to ensure that these are not your average mini brainteasers. They are top notch and fun (without being too challenging) and make great little gifts. Each box has a further 9 matchbox challenges written onto its sides, providing hours of extra fun. NOTE: This Mixed CDU is a fixed assortment of 15 different puzzles, 5 of each as shown in the first photo for a total of 75 puzzles.