Imagination Generation Wooden Wonders Gizmo The Hedgecog Gear Puzzle Gizmo is a very helpful Hedgecog who wants to help you learn all about gears Promotes creative expression while developing logical reasoning and fine motor skills Includes 11 colorful, interchangeable gears you can place, spin, and rearrange however you like There's something new to learn with every turn! Gear puzzles are great for investigating simple mechanics and cause-and-effect relationships