ROKR Marble Climber Fortress LG504

Items Included: Wooden Pieces, Steel Balls, etc.

Number of Pieces: 233

Package Size: 317*233*46 mm

Assembly Size: 255*229*204mm

ROLLER COASTER DESIGN – This Tower Coaster 3D puzzle is like a real roller coaster; after the assembly, the ball can be rolled along the track. Real-life mechanisms inspire these designs. We believe that building these beautiful working models should be fun. Four kinds of 3D wooden coaster craft kits bring adults back to childhood and help children enjoy a journey of exploring woodcraft construction. Exciting and educational!


ROKR Marble Climber Fortress Story

ROKR Marble Run Race is based on excellent human engineering. They combine the beauty of science and machines, involving many small gadgets. Build the set and, crank the handle, watch marbles run crazy down the slopes and twisting turns.

Operating Instructions


  • Exquisite Package.
  • Pre-cut Wood Sheets.
  • Accessory Tools.
  • English Instruction Book.

Assemble it!

  • Pick out the wooden pieces as steps shown.
  • Find out the corresponding parts and small tools according to the instructions  to start assembly.

Move Forward!

  • Complete Marble Climber Fortress!Take off steel balls in the package and put them at anywhere of this model.They will move along the track quickly.

Product Details

Gear Transmission

Stainless steel lifting slide track

Side speed bumps

Descending mechanism





Back View

Lateral View

Front View

Raw Materials & Technology

  • ROKR R & D team preferred customized parts for better durability.
  • Hundreds of suppliers from all over the world provide adaptive parts for a series of products, which are deeply customized to meet the design functions.
  • High precision steady-state laser cutting is adopted, and the process error is controlled within 5um, which is equivalent to 1 / 20 hair diameter.
  • Guarantee that all parts can fully fit and assemble, and each bayonet fits tightly.
  • We choose basswood from the high latitude of the northern cold zone, which is strong and durable.
  • The wood grain is fine and uniform, showing silk luster, layered, wear-resistant, corrosion-resistant and not easy to crack.
  • TOUGH FORTRESS: LG504 Marble Climber is a handcrafted marble set with an impressive fortress. Build it with 227 building pieces and 10 marbles.
  • MANY GEAR GADGETS: Consists of a tower distributor, spiral slopes, a crane lifer, a wheel lifter, a short slide, and miniature switches. An intricate system of cogs, gears, and wheels, full of crazy twists and turns.
  • STEM CONCEPTS: Learn principles of Science, Technology, Engineering, and Mathematics(STEM)
  • HOBBY & GIFT: Precise laser cutting ensure you a fluent building experience. Also a great gift for family and friends.

Detailed Instruction Book

There are clear and understandable pictures and texts in the manual. Take out the corresponding numbered wooden pieces and assemble them as pictures.In addition, we also have a detailed assembly video, which is posted on the official YouTube account.It is an outstanding Christmas or Birthday gift for those who loves to work with wood and loves a challenge,not only for teenagers,it will take around 7 hours’ concentration to assemble properly.

Exercise your Brain

Hands-on way to exercise logic thinking and fine mental skills. In this process,kids would be more patient and prudent! It brings tremendous sense of accomplishment and can show it off to friends and family.

Videos for this product

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