This dataset was collected using the Unitree G1 humanoid robot equipped with a three-finger dexterous hand and contains data on stacking red, yellow, and green wooden blocks. Three cameras were used: a stereoscopic camera on the head and RealSense D405 cameras on the left and right wrists. The cameras are securely mounted on the head and wrists with a special structure; for the 3D print models and mounting instructions, please refer to the official documentation. Each image has a resolution of 640x480. Each arm and dexterous hand has a state and action dimension of 7.