8pc Chinese Lock Puzzle Metal Puzzle IQ Test Toys for Adult Children Description: material and high quality Very classic and quite interesting Good for creative thinking and improving both IQ and EQ After solving each puzzle yourself, you will get an achievement, but we still include a diagram to please some people Great prezent for adults and children, children Specification: Material: alloy Size Chart: Size (Bull Puzzle): approx. 4x4x6 cm/1,57x1,57x2,36 inch Size (puzzle shells): approx. 4x4x1.8cm/1.57x1.57x0.71 inch Size (Large Key): approx. 2,8x0,4x6,3 cm/1,10x0,16x2,48 inch Size (small key): approx. 2.3x0.3x5.5cm/0.91x0.12x2.17 inch Size (God lock): approx. 4,5 x 1,8 x 6,3 cm/1,77 x 0,71 x 2,48 inches Size (key): approx. 2,0 x 0,4 x 4,8 cm/0,79 x 0,16 x 1,89 inches Size (box): approx. 4.3x4.3x1.3 cm/1.69x1.69x0.51 inch Size (star): approx. 3.3x3.5x6.5 cm/1.30x1.38x2.56 inch Size (aircraft): approx. 6x6,5x7,3 cm/2,36x2,56x2,87 inch Size (zamek): approx. 7x3x3cm/2.76x1.18x1.18 inch The package includes: 1-piece bull puzzle 1 piece puzzle with shells 1 piece zamek keys 1 piece zamek god 1 pc. Box lock 1 piece star 1 pc. Aircraft lock 1 piece lock