1x Wisdom Logic Mind Intelligence Development Training IQ Puzzle Toys Disentanglement Game WY0148 Bullet Kong Ming Lock Bullet Kong Ming Lock Size(Aprox.): 10 x 10 x 10cm (3 15/16"x3 15/16"x3 15/16") Intelligence game ,great challenge for kids and adults Age 6+ There are hundreds of different puzzle toys on my store,u can choose more at a time.