MindWare Gearjits Gumball Machine Marble Coaster Wooden 3D Building Puzzle for Teens Adults DIY STEM Building Toys for Kids Fun for Adults Too Ages 12 and Up

Toys That Teach Gearjits marble machine kits combine traditional building with principles found in leading STEM toys to help kids hone fine motor skills creativity perseverance and dexterity 3D Wooden Puzzles for Adults and Kids Build a 1275 x 65 x 6 marble run wooden gumball machine for kids and adults from beautiful lasercut wood pieces with no glue and no tools pieces slot together to make a sturdy finished model Working Wood Marble Run After assembling this elaborate system of gears rods and wheels fill the container with colorful marbles that look like gumballs then twist the crank to send the marbles racing around the curves and through the course STEM Toys for Classroom or Family Bonding MindWares marble run wood classroom toys make great screenfree activities for school and home while also encouraging bonding as kids work on them with caregivers Includes 6 wood sheets with 156 precut pieces 1 handle 1 dome cover 18 rubber washers 3 screws 1 hex nut 1 screwdriver 2 springs 13 steel shafts wax sandpaper illustrated instructions and 21 gumball marbles Ages 12 and up