ITEM NAME:Chinese Rings Lock Puzzle IQ Brain Teaser Description: Metal brain teaser condenses with traditional Chinese culture and they are quite interesting Good for creative thinking and improve both your IQ and EQ You soive the problem by yourself, then you will get achievement But we still attach a diagram to satisfied with some people Material: Metal Size Chart: Size: Approx. 14 x 6.2cm/5.51 x 2.44inch Package Includes: 1 Piece IQ Brain Teaser Toy Note: 1. Manual measurement, please allow 1cm error. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. SKU: DMO0015888161010073.1 Piece IQ Brain Teaser Toy. Good for creative thinking and improve both your IQ and EQ. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.