Get "little engineers" building! Hands-on construction sets with spinning gears build early STEM skills such as problem solving, critical thinking, and perseverance. Giant tub of colorful, spinning gears will set young imaginations in motion. Set encourages kids to imagine and build creatures, towers and more. Open-ended components mean there's no wrong way to build. All components work with other Gears!Gears!Gears!® sets. Includes: 150 pieces (gears, connectors and interlocking bases) , Storage tub, Activity guide. Grades: PreK+. Learning Style: Tactile, Visual. Skill Development: Fine Motor, Sensory Integration, Basic Concepts This product ships in approximately 1 days