Puzzle Supply Applications: Multifunctional puzzle for all occasions. Perfect for birthdays, party favors, classroom rewards, educational prizes, party favors, storage items, Easter egg fillers, and more. Submersible Water Pump. Classic toy for kids and adults: This is a classic Chinese educational toy with many mathematical and physical principles. While entertaining us, release the work pressure of adults. Exercising the elderly brain helps prevent the memory decline of the elderly. How to play: These metal puzzles are quite a challenge. Wire parts are twisted. To solve the ring puzzle you have to maneuver the pieces until you can pull them apart. Lots of fun playing with family and friends and battling to untangle the puzzle first.Durable material: The puzzle toy is made of high quality zinc alloy, which has high toughness and no deformation, non-toxic. The material is not easy to rust, fade, strong and durable. Excellent processing makes the toy has a smooth surface and not easy to hurt your hands. Educational toys: The simple design looks insignificant, but actually quite complex to understand. Which can improve children's patience and thinking ability, good for thinking and intelligence development, improve problem-solving ability while improving your IQ and EQ. Treat yourself to freshness and pleasure at any leisure time.