Brain Activation: Perfect for developing thinking skills and concentration ★ From difficult to easy! Challenge ♡ * Instant purchase welcome * Anonymous delivery * New, unused items * Bundle discount available! ◼️Product Information #154 【Product Features】 This set includes 8 different types of puzzle rings with varying difficulty levels, from beginner to advanced. • • For children's education: Develops imagination and patience by using fingertips. • For brain training for the elderly: Recommended for preventing dementia and rehabilitation through hand exercises and brain stimulation. • Compact size: Easy to carry, perfect for killing time during travel or waiting periods. 【Set Contents】 • Puzzle rings: 24 types 【Size/Material】 • Size: Approximately 3cm (varies depending on the type) • Material: Steel ◼️Notes◼️ ・Due to imported goods, there may be fine scratches, slight fraying, loose stitching, and errors in shape and size. Please be aware of this. ・The 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 errors due to amateur 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 the product at a low price.