ROKR Marble Night City 3D Wooden Puzzle – DIY Mechanical STEM Kit

Step into a world of gears, tracks, spirals, and endless motion with the ROKR Marble Night City — a brilliantly engineered DIY marble run that brings together mechanical design, kinetic energy, and artistic craftsmanship.

This stunning 3D wooden model is designed for builders, creators, hobbyists, and anyone who loves watching intricate machines come to life. Once assembled, simply turn the crank and watch steel marbles climb, roll, swirl, drop, and loop their way through multiple dynamic paths!

Perfect as a gift, display piece, STEM activity, or relaxing building project, Marble Night City delivers hours of creative assembly fun and endless fascination when completed

✅ Key Features

✨ Mechanical Gear Transmission

Hand-cranked with no electricity required. The interconnected gear system lifts marbles and sends them through a series of unique tracks — switching rails, spirals, and transparent tunnels.

✨ Rich Multi-Track Design

Featuring:

• Spiral lift
• Curved slopes
• Multi-layered tracks
• Clear acrylic chute
• High-speed turns
  Every run is different, exciting, and deeply satisfying to watch.

✨ Premium Laser-Cut Wood

Made from high-quality, eco-friendly plywood.
Each piece is precision-cut for a smooth fit — no glue required.

✨ Hands-On STEM Learning

Improves:
✔ Problem-solving
✔ Spatial reasoning
✔ Engineering thinking
✔ Fine motor skills
✔ Patience & creativity

Great for teens, adults, or parent-child bonding time.

✨ Stunning Display Model

When completed, Marble Night City becomes a beautiful kinetic sculpture — ideal for desks, offices, game rooms, study areas, and collectors.

📦 Product Information

Model Name: Marble Night City (Mechanical Marble Run)
Brand: Robotime ROKR
Material: Wood & small metal balls
Wood Pieces: 294 pcs
Assembly Time: ~4 hours
Recommended Age: 8+ (under 8 with parental help)

Finished Size:

325 × 214 × 228 mm

Package Size:

317 × 233 × 48 mm

Package Includes:

• Laser-cut wooden sheets
• Steel marbles
• English instruction manual
• Accessories (no wax included due to shipping rules)

Note: Wax is used to lubricate gears for smoother motion. Since shipping restricts wax, please prepare your own (a simple candle works perfectly).

🎁 Perfect Gift For

• Puzzle & model enthusiasts
• Engineers & creators
• Teen STEM learners
• Fathers & grandfathers
• Home/office desk décor lovers
• Holiday, birthday, and special occasion gifting

⭐ Why Customers Love It

✔ Relaxing and satisfying to build
✔ Beautiful steampunk aesthetic
✔ Smooth motion when completed
✔ A functional mechanical model — not just decoration
✔ Strong bonding activity for families