We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
3D wooden marble run kit with 294 pieces, black-grey metal nameplate, acrylic parts, 10 marbles

ROKR

ROKR Marble Night City 294 Piece 3D Wooden Marble Run STEM Toy

SKU CH-906S-CBT17

A 294-piece 3D wooden marble run kit with 10 marbles, hand-cranked lift and transparent channels for visible STEM engineering play

  • Suggested age14
  • Age groupAdult

Style Marble Night City

  • Build a working marble run with 294 laser-cut pieces
  • Watch 10 marbles race through slopes and twisting turns
  • Crank the handle to lift marbles back to the top
  • Black-grey metal nameplate and acrylic parts keep the action visible
  • Recommended for age 14 and up, great for adults too

ROKR Marble Night City Kit

The ROKR Marble Night City kit is a 3D wooden puzzle and marble run designed for adults and teenagers aged 14 and over. It contains 294 laser-cut plywood pieces and 10 marbles that travel through the assembled machine. The model is based on human engineering principles, combining mechanical movement with a black-grey metal nameplate and acrylic elements. It offers a hands-on building experience away from screens.

Build Quality and Visual Details

The kit uses laser-cut premium plywood produced in the brand's own factory, ensuring precise fit during assembly. Acrylic pieces are included to allow clear viewing of the marbles as they move through the channels. A black-grey metal nameplate adds a finished look to the completed model. Detailed pictorial instructions guide the builder through the construction process step by step.

Compatibility and Setup Notes

This product is recommended for users aged 14 and above due to the complexity of the 294-piece assembly. No external power source or tools are mentioned in the specifications, so the model operates via a hand crank once built. Ensure you have a suitable workspace and the patience required for a multi-stage mechanical build before ordering.

How it compares

Measured against everything we stock in STEM Kits & Building Blocks, at today’s prices. Recalculated every night.

Price $42.99
Pricier than about 67% of the 236 comparable items (median $28.99).

Specifications

More details
Suggested age14
Age groupAdult

Other versions of this model

3 more in the same range

Questions about this item

What age is this STEM toy designed for?

The kit is recommended for builders aged 14 and up, making it suitable for teenagers and adults.

How many pieces are required to assemble the marble run?

You will fit together 294 laser-cut wooden pieces plus 10 marbles to complete the model.

What is the first step when starting the build?

Begin by carefully punching out the plywood parts from the sheets and sorting them before following the illustrated manual.

More in STEM Kits & Building Blocks

Similar items