ROKR 3D Puzzle The Last City Marble Run Mechanical Model Building Kit for Room Decor STEM Toys for Teens Adults DIY Miniature Craft Kit Gift for Boys

.product-description {position: ;max-width: 944.0px;overflow: hidden;} .product-description span {max-width: 100.0%;word-break: break-word;} .product-description img {max-width: 100.0%;vertical-align: middle;} .product-description p {margin: 0;line-height: inherit;} .product-description pre {white-space: pre;white-space: pre-wrap;word-wrap: break-word;} .product-description .video-container-detail {justify-content: center;align-items: center;} .product-description div {} .product-description ul {list-style-type: disc;} .product-description ol {list-style-type: decimal;} .product-description ul, .product-description ol {margin-block-start: 1.0em;margin-block-end: 1.0em;margin-inline-start: 0.0px;margin-inline-end: 0.0px;padding-inline-start: 40.0px;}

1. Cyberpunk Fully Automatic Marble Run ModelThis futuristic marble run toy features a 187cm ultra-long track and automatic marble lift. USB-C powered with touch control, supporting cyclic marble running and gorgeous lighting display modes.2. Dynamic Light & Expandable Modular DesignBuilt-in infrared induction triggers 10+ global light effects and 3D mirror tunnel visuals. Modular structure supports multi-directional expansion to build longer, more complex track combinations freely.3. Premium Durable Materials & Stable StructureMade of high-quality ABS and PVC with premium spray coating. Passed 6000+ assembly tests for tight fitting and long service life. 187 precise pieces ensure stable and smooth operation after assembly.4. Educational STEM DIY Puzzle for All AgesMedium-difficulty 3D wooden puzzle takes 1.5-4 hours to assemble. Effectively boosts spatial imagination, logic thinking and hands-on skills, a perfect screen-free STEM toy for teens and adults.5. Versatile Decor & Premium Gift with ServiceStylish cyberpunk miniature craft works as stunning desktop decor. Ideal birthday and holiday gift for puzzle lovers. Comes with spare parts and 12-hour quick after-sales support for assembly issues.Product DescriptionROKR The Last City is a futuristic cyberpunk marble run 3D puzzle and educational STEM model kit. It features 187cm full-automatic circulating track, USB-C touch control, dual running & lighting modes, and dynamic infrared light effects. Expandable modular design offers endless DIY fun. Made of premium durable materials, this screen-free adult brain teaser serves as exquisite home decor and a perfect holiday gift with reliable after-sales service.