Learning Resources LER9249 Gears MEGA Builds Construction Set, Multi

BUILD your own engineering creations with this 235-piece STEM building set DESIGN new twisting, turning creations, or follow along with the included Activity Guide MASTER engineering, critical thinking, and other STEM skills with every build WORKS with all Gears! Gears! Gears! building sets INCLUDES: Gears, wheels, treads, and more; Ideal for ages 4+, Manufacturer: Learning Resources