SainSmart Jr. 3D Wooden Puzzles for Adults, 225 PCS Marble Run Wood to Build, Electric Driven Mechanical Model Building Kit, DIY Gift for Aged 14+, Roller Coaster

Constructed with 225 pieces and 6 marbles – this 3D puzzle is motor-driven and incredibly cool. Gears propel the marbles to the top, sending them racing through different channels Great instruction booklet – with big and detailed pictures makes it easy to identify the parts and makes the instruction clear.There is one spare parts sheet in case you broke critical pieces during assembly Easy Assembly – With clear instructions and detailed image, this kit ensures a smooth building process. Complete it in just 3 hours for a sense of accomplishment. Premium Wood – Made from high-quality plywood, the 3-4mm thick blocks offer stability and durability. No splinters, just top-notch quality for lasting DIY creations. Perfect Gift Choice – Package in Exquisite Wooden Box. Perfect for Ages 14+ and special occasions like Birthdays, Christmas, and New Year’s. Share the real joy of building with your beloved ones. › See more product details