A new spin on learning for the youngest engineers! Hands-on construction and colorful underwater pals provide a fun way to build fine motor skills. Big, chunky play pieces fit easily onto large gears, providing endless mix-and-match play. This friendly set encourages creativity and allows children to explore cause and effect. Set includes board, 8 large gears, 7 sea creatures, and 1 chunky handle. Board measures 11''L x 9''H; gears measure 3 1/2 '' in diameter.