【Puzzle Supply Applications】Multi-functional 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 Children and Adults】This is a classic Chinese educational toy with many mathematical and physical principles. While entertaining us, release the work pressure of adults. Exercise people's brain helps prevent memory decline for the elderly.【How to Play】These metal puzzles are a real 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 to play with family and friends and battle to untangle the puzzle first.【Material 【Durable】The puzzle toy is made of high quality zinc alloy, with 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 thinking. the development of intelligence, improves problem-solving abilities while improving your IQ and EQ.Provide you with freshness and fun at any leisure time. Note: The data are all manual measurement, s please allow a 1 - 3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received.