Learning Resources Toy Rotating Blocks, Colorful Gear Blocks, Super Set Gears, 150 Pieces, LER9164, Authentic

Experience the thrill of accomplishment! Watch the gears move in unison as you assemble them! Recommended for STEM education! Package size: Approx. 30cm W x 28cm H x 30cm D 150-piece set Comes in a bucket-shaped storage case