Balance board use:
Method 1: Support the balance board with both hands and swing the balance board back and forth to make the ball roll into the center point along the track.
Method 2: Step on the black part of the balance board with both feet, move back and forth, left and right, and make the rolling ball enter the center point along the track when the edge of the balance board is not on the ground.
After being proficient, increase the number of balls to increase the difficulty. You can put up to 4 balls to roll at the same time, increase and decrease the balls, and you can open the transparent lid with a finger buckle.