MindWare Gearjits Clock 3D Wooden Mechanical Model Kit for Teens and Adults Build Your Own Working Clock witj Moving Gears

3D Clock Puzzle Build a 13 tall wooden clock from beautiful lasercut wood pieces with no glue and no tools Pieces slot together securely to make a sturdy finished model A Rewarding Challenge This intricate clock combines traditional building sets with principles found in leading STEM toys for a highly satisfying and educational experience It will exercise your fine motor skills creativity perseverance and dexterity Time Warp A windup spring brings the principles of mechanics to life setting the clocks elaborate system of steel shafts cogs gears and hands in motion smoothly for hours of time keeping a set as fascinating to watch as to assemble Display Worthy A masterful aweinspiring finished form makes this intricate historic gear clock one youll want to display for years to come Includes 5 wood sheets with 166 precut pieces 3 springs 1 clockwork spring 1 winding key 10 steel shafts 40 shaft sleeves 10 square shaft sleeves 1 pendulum weight 1 screw 2 nuts wax and illustrated instructions Ages 12 and up