13.39 x 2.56 x 13.39 inches

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CAPTIVATING DESIGNS: Even young children will delight in figuring out how to put the pieces together and attach the gears creatively and independently. The 6 largest gears have stickers that make captivating designs as they spin. The square base pieces interlock easily to form flat or 3D structures. You can even make a gearbox!
CRANK UP THE FUN: Create your base, then insert axles and connect gears so that they rotate at the same time. Finally, turn the crank to start a spectacular chain reaction and watch the beautiful visual effects. Gear’s construction set provides hours of fun while introducing children to basic principles of mechanics.