Gears! Gears! Gears!^® Wacky Wigglers^® Motorized Building Set

Get "little engineers" building! Hands-on construction sets with spinning gears build early STEM skills such as problem solving, critical thinking, and perseverance. Includes colorful gears, springs, chomping teeth, flashing lights, whiskers, and glow-in-the-dark eyeballs; and an Activity Guide. Button-cell batteries for dome lights included. Motor requires 3 AA batteries, not included. Grades K+ , Ages 5+. 130 Pieces