Thank you for viewing! * Immediate purchase welcome * Anonymous delivery * New, unused item ■ Product Information ・ This set includes 8 different types of puzzle rings with varying difficulty levels, from beginner to advanced. ・ For brain activation: Ideal for developing thinking skills and concentration. ・ For children's education: Using fingertips cultivates imagination and patience. ・ For brain training for the elderly: Recommended for dementia prevention and rehabilitation through hand exercises and brain stimulation. ・ Compact size: Easy to carry, perfect for killing time during travel or waiting periods. ● Set Contents ・ 16 puzzle rings (Red sheet: 8 types, Blue sheet: 8 types) ● Size/Material ・ Size: Approximately 3cm (varies depending on the type) ・ Material: Steel ■ Notes ・ Due to imported goods, there may be minor scratches, slight fraying, loose stitching, and variations in shape and size. Please be aware of this. ・ Items in bags are opened once for inspection before shipping. ・ The colors on the screen may appear different from the actual product. ・ Please note that there may be slight measurement errors due to manual measurements. ・ If there are any defective products, please contact us before leaving a review. We will respond sincerely. ■ About Shipping We will ship with simple packaging to offer a lower price. 15-40