Gravity-fed marble run with colorful transparent tubes, packaging and marbles

Build the route. Drop a marble. Watch where it goes.

Marble Run Building Set with Glow-in-the-Dark Marbles

$56.99 $108.99 Save $52.00
  • Transparent tubes, funnels, ramps and spinning wheels
  • 40 glass marbles plus 5 glow-in-the-dark marbles listed
  • Rearrange the track for a different route
Tracked delivery
Easy returns
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Everything to know

Build a route, drop a marble into the starting cup and follow it through colorful tubes, funnels and ramps. This gravity-fed marble run turns construction into a hands-on build-and-test activity.

What makes the track fun to explore

  • Transparent colored tubes let children follow the marble's path
  • Funnels, stepped ramps and spinning wheels add changes along the route
  • Reusable connecting parts allow different track arrangements
  • The source contents list 40 glass marbles and 5 glow-in-the-dark marbles

Operation: Marbles are placed at the top by hand and travel downward under gravity. No motor or powered return lift is listed in the source contents.

Specifications and contents note

  • Model: LT923
  • Track material: transparent ABS plastic, as listed by the supplier
  • Pictured build: approximately 26.77 inches wide × 27.55 inches tall (680 × 700 mm); size varies by arrangement
  • Marble diameter listed by the supplier: 0.63 inch (16 mm)
  • Packaging marked ages 3+

Piece-count clarification: The packaging labels this model as 145 pieces, while the illustrated component quantities total 139. The exact total needs supplier confirmation. Please contact us before ordering if the piece count is important.

Assembly and play

Build on a firm, level surface, check the connections and test the route. Adult help may be needed for assembly. Follow the supplied instructions for the glow marbles; brightness and duration depend on light charging and surrounding light. Compatibility with other brands has not been verified.

WARNING: CHOKING HAZARD—Small parts and marbles. Not for children under 3 years. Supervise play and keep loose marbles away from younger children.

Why You’ll Love It

Follow the marble from top to bottom

Key benefit 1

Follow the marble from top to bottom

Drop a marble into a starting cup and watch it travel through the colored transparent tubes, ramps and funnels. This is a gravity-fed track; the source contents do not include a motorized lift.
Change the track and test another route

Key benefit 2

Change the track and test another route

Connect the tubes and track sections in different arrangements. Start with a smaller build, check the connections and test the route before adding more height, with adult assembly help as needed.
Add five glow marbles to the mix

Key benefit 3

Add five glow marbles to the mix

The source contents list 40 glass marbles and 5 glow-in-the-dark marbles. Follow the supplied light-charging instructions for the glow pieces; brightness and duration can vary.

7-day return window

Request a return within 7 days of delivery. The item must be unused and in its original packaging with tags. Contact our support team before sending it back.

FAQ

Is this marble run motorized?
The source photos and contents show a gravity-fed marble run, with no motor or powered lift listed. Place the marbles at the top by hand; the set does not automatically return them to the start.
How many pieces and marbles are included?
The packaging labels this model as 145 pieces, but the quantities in the supplier's illustrated contents chart add up to 139. The chart lists 40 glass marbles and 5 glow-in-the-dark marbles. The exact total needs supplier confirmation; contact us before ordering if the count is important.
What age is this set for?
The packaging is marked ages 3+. WARNING: Choking hazard—contains small parts and marbles. Not for children under 3 years. Adult supervision and assembly help are recommended; follow the supplied instructions.
How big is the assembled track?
The pictured example is approximately 26.77 inches wide and 27.55 inches tall (680 × 700 mm). Dimensions change with the arrangement. Build on a firm, level surface with room to collect marbles.
How do the glow marbles work?
Five marbles are described by the supplier as glow-in-the-dark. Follow the supplied instructions for charging them with light. They are not battery-powered lights, and their visible glow depends on charging and surrounding light.
Can I connect this to another marble-run brand?
Compatibility with specific other sets has not been verified. The supplier lists 16 mm marbles, but matching marble size does not establish that another brand's track pieces will connect.