Feature:1. Antirust and doublelayer electroplating design, not easy to rust and reliable durable in use.2. Smoothly wood bead without burrs and not easy to fall off, exquisite and fine workmanship.3. Stainless steel + wooden beads material manufacturing, wonderful and practical brain puzzle toy.4. Specially designed to test your brain, helps with practicing concentration and relieving stress.5. Quite interesting and training thinking and improve both your intelligence and EQ, not easy to damage and break.Specification:Item Type: Intellectual Unlocking ToyMaterial: Stainless Steel + Wood Bead Answer: 1. Remove the first ring.2. Pull to the left to remove the third ring.3. Put the first ring on.4. Remove the first and two rings at the same time.5. Pull left, you can remove the 5th ring.6. Cover the first and second rings at the same time.7. Remove the first ring and then cover the third ring.8. Remove the fourth ring according to steps 3 and 4;9. Remove the third ring according to steps 6, 1 and 2.10. Remove the seventh ring according to steps 3 and 4.11. Continue to remove, first unload the 9 ring: then continue to remove repeatedly to unload all the 8, 7, 6 and so on, and finally the nine rings are completely separated.12. To connect the handle with the ring, repeat the above steps 6, 7 until all the rings are successfully set..Package List:1 x Intellectual Unlocking Toy