Feature: 1. Three-dimensional intelligence toy exercise hand brain coordination, patience. 2. Training attention and other abilities, suitable for both children and adult to play. 3. Develop observation ability, imagination ability, reasoning ability, practical ability, etc. 4. Scientific decompression toy, avoid children distractions, nice children toy. 5. More interesting to play, easy to operate and grab, smoothly surface designs. Specification: Condition: 100% Brand New Item Type: Quadrate Shape Toy Material: Alloy Optional Color: Silver, Gold, Blue, Red, Black Size: Approx. 40 x 40 x 40mm / 1.6 x 1.6 x 1.6in Weight: 175 g / 6.2 oz(approx.) Assembly Method: Be sure to put them together and stick them together One: two by two Two: Assemble four pairs one after another Three: and then put together four in groups of two Four: the last four of the two groups together after mutual suction, will not fall off, you succeed!. Package List: 1 x Quadrate Shape Toy 1 x Manual