ROKR's flagship marble run — a tall, multi-track wooden marble run with cityscape theme. Releases a marble at the top; it cascades through tracks, drops, spirals, and gates back to bottom. 15-25 hour build.
About This Product
Direct from US Personal Import Adult
Engineering thinking Patience Mechanical assembly Precision
Marble Night City is one of ROKR's signature kits — a large-scale wooden marble run built around a stylized cityscape. Around 300 pre-cut wooden pieces assemble into a tall structure with cascading tracks, gravity gates, spiral drops, and a marble lift mechanism that returns the marble to the top so the run is continuous.
The build is genuinely engineering-grade. You're constructing working mechanical systems — gear trains, pulley mechanisms, sliding gates — all from wood. Watching a finished marble run cycle a marble through the whole sequence is genuinely satisfying.
One of the larger, more involved kits in the ROKR lineup. Builders typically spend 15-25 hours across multiple weekends. Once complete, it's a permanent piece — kids and adults alike will release marbles through it for years afterward.
What's Included
- Approx. 300+ pre-cut wooden pieces
- Marbles (steel balls)
- Mechanical components — gears, lifts, gates
- Assembly tools (sandpaper, graphite lubricant)
- Detailed multilingual instruction book
Product Details
BrandROKR (Robotime)
Set CodeLGA01
Recommended AgeAdult (14+)
Piece Count~300+ wooden pieces
Build Time15-25 hours
MechanismHand-cranked lift + gravity tracks
Apply the included graphite lubricant to all moving parts as the instructions indicate. Skipping this step results in stiff gears that bind under load. Don't substitute oil — graphite is correct.
What to Expect
Hours 1-4: Sort & PlanSort pieces. Identify the main structural components vs. moving parts. Read the entire instruction sequence.
Hours 5-10: FoundationBuild the base and lower track. Get the foundation solid — everything builds up from here.
Hours 11-16: Marble LiftConstruct the marble lift mechanism. Most mechanical phase — fit must be precise for smooth operation.
Hours 17-22: Upper TracksBuild the upper tracks, drops, and spiral elements. Test with a marble periodically.
Hours 23-25: Tune & TestFinal assembly, lubrication, and tuning. The marble should travel the full course without getting stuck.
FAQ
Q: What if the marble gets stuck during use?
A: Common — usually a small wood burr or misalignment. Light sanding plus a touch more graphite typically fixes it. The instruction book has a troubleshooting section.
Q: Are batteries required?
A: No — the marble run is fully mechanical. Lift is hand-cranked; the rest works on gravity.
Q: Is this the authentic Robotime product?
A: Yes. Sourced directly from US retail and shipped to Korea — the same product available on US shelves.
Q: Is it new and unopened?
A: Yes. Every item ships brand new in its original retail packaging.
Q: How long does shipping take?
A: Orders are dispatched within 1 to 2 business days. International transit to Korea typically takes 7 to 14 days depending on customs clearance.
Q: Can I cancel my order?
A: Orders can be cancelled before dispatch — usually within 24 hours of placement. Once shipped, cancellations are no longer possible.
Shipping
Shipped from the United States in secure protective packaging.
Orders are dispatched within 1-2 business days. A tracking number is sent to your email once your parcel is on its way.
Customs & Import
All orders are processed as personal-use overseas purchases and clear Korean customs without requiring KC certification. Your shipment is handled using your Personal Customs Clearance Code (PCCC) and is trackable via Korea Customs Service UNI-PASS. Orders under USD 200 from the United States qualify for duty-free clearance.
If you do not yet have a Personal Customs Clearance Code (PCCC), you can get one free in under five minutes at unipass.customs.go.kr.
Small parts including marbles. Adult build. Keep marbles away from children under 6 (choking hazard).
How to Order
- Select the product
- Add to cart and proceed to checkout
- Enter your Personal Customs Clearance Code (PCCC)
- Confirm your Korean delivery address
- Complete payment — your order is placed
- Receive your tracking number by email within 1-2 business days
