Features 1. Chain geometry multiplayer puzzle game to cultivate children's logical thinking and concentration. 2. Multi player board game with face-to-face communication experience: Multiple game winning gameplay modes for two players, allowing multiple players to play. 3. Complete each triangle and score. When the player forms a small triangle using rubber bands already on the chessboard, the player inserts one of their pieces into a hole to occupy the triangle. 4. Stretch rubber bands on four pillars, and the rubber bands should not completely overlap with the other rubber band in contact. At least stretch on one new pillar. 5. Packaging list: Chessboard x4, chassis, chess pieces x84, game manual, rubber band, color box. Specification Material: Plastic Color: Multicolor Product size: 30 x 27 x 3.5 cm Packing size: 30 x 27 x 4 cm Weight: 460 g Package Include: 1x Chain chess set