Robotime 3D Wooden Mechanical Pendulum Clock Puzzle,Mechanical Gears Toy Building Set Birthday Gifts for Kids Adults to Build

Robotime 3D puzzle hand crank marble run model kits Start the clockwork,you will send yourself back to the industrial age This is a model clock kits not a real clock and the clock will only run for a few hours once it is driven by clockwork Interesting and you will appealing with the entire setting and visible gear mechanism 3D wooden assembly model Both with mechanical and industrial sense Bring the charm of retro design Fantastic educational toy Develop hand-eye coordination and fine motor skills A good choice for someone who is lover Best home or office decor Gift for birthdays, Christmas, Thanksgiving or Valentine's Day Decent Gifts for Kids and Adults Safe & Environmental-Friendly Material Easy to assemble English detailed instrucrion No tools no glue needed Age range: above 8 years old Assembly time:4h Package included:a pictorial instrution book,pre-cut wood sheets,all you need in package Assembled size:4.6x9.2x13.6in Wood pieces: 166pcs Item weight:2.5 pounds Warning: small parts not for children under 3 years old