Introducing the technology small making toy, an advanced educational 3D wooden puzzle perfect for beginners. This ideal gift comes in friendly packaging, making it a great present for friends and family on birthdays, Thanksgiving, or Christmas. The puzzle is made from durable plywood with precise cuts, ensuring smooth fitting pieces without the need for tools or glue. With mechanical gears including a water turbine and funnel track, this puzzle provides hours of entertainment as you watch the marble run wildly on different tracks. Building this 3D wooden puzzle requires logical thinking, creativity, and eye-hand coordination, providing a brain-teasing challenge that relaxes the mind and reduces stress. Once completed, it becomes a unique decoration for any office or home. Item Name: 3D Puzzle Toy Material: Wood Type: Educational Educational Toys Applicable Age: 7 Years Old Battery: 2 x AA Batteries(Not Included) Features: Rolling Ball Track, Battery Operated, DIY Size Details: L: 22cm/8.66", W: 20.5cm/8.07", H: 17.2cm/6.77" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Set of 3D Puzzle Toy