This 17-piece Wooden Block Balance set provides a hands-on STEM experience featuring cubes, rectangles and notched squares to creatively stack on the curved balance board. Explore and experiment by arranging the blocks on each side of the board to evenly distribute weight to achieve a balanced result. Children will develop STEM-based skills such as spatial sense, estimation, reasoning, probability, and the concepts of none, more, less, most, smaller, smallest, bigger, biggest. Included: Balance Board, 8 Cube Blocks, 4 Rectangle Blocks, and 4 Notched Square Blocks.