Gearjits Carnival Marble Coaster (#772283)

Get your engineering wheels turning! Kick off this double-duty activity by putting together laser-cut wood pieces, then turn the crank to set the elaborate system of gears, rods and wheels into motion, sending marbles flowing through the course. Young engineers will marvel at the way the pieces work together as marbles climb the Elevator Extravaganza, spiral through the Topsy-Turvy Tower and bounce their way through the Funhouse Flippers!• Build a colorful, working 10” x 9” wooden marble run coaster with no glue and no tools!• Enjoyed by older kids and adults – a fun project to assemble together• Awe-inspiring finished form well beyond the norm for construction toys• Combines all the benefits of traditional building sets with principles found in leading STEM toys• Develops fine motor skills, creativity, perseverance and dexterity• Includes 7 wood sheets with 233 precut pieces, 22 steel shafts, 40 shaft sleeves, 1 isolation column, 2 nuts, 1 screw, 10 steel marbles, wax, sandpaper and illustrated instructions. Age Recommendation: Ages 12 and up