The Alembic: Alchemy City Marble Run Kit, photo 4 of 14

The Alembic: Alchemy City Marble Run Kit, 247 Pieces

Alchemy City
$64.99
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The Alembic: Alchemy City Marble Run Kit, photo 4 of 14

The Alembic: Alchemy City Marble Run Kit, 247 Pieces

$64.99

Free US shipping over $69 · Ships from the US in 4 to 7 business days

247 Pieces
2 h Assembly time
Difficulty
7.1 × 3.0 × 9.1 in L × W × H
Kit
In stock
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Arrives soon! Get it by Nov 4 - Nov 11 if you order today
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You have 30 days from delivery. Return the kit unused, complete and in its original packaging, and we'll refund you in full, with no restocking fee.

Arrived damaged? Keep the packaging and email support@icraftpuzzles.com with your order number and a photo. We'll sort it out without asking you to send anything back. Full detail in our refund policy.

What if some parts are broken or lost?

Email support@icraftpuzzles.com with the kit name, the part number from the manual and a photo. We open the replacement claim with the manufacturer and follow it through. You never have to deal with them yourself.

Reported within 30 days of delivery, replacements for anything damaged or missing on arrival are free. Lost a piece later, or broke one mid-build? Send the request anyway: these are often covered too, and if there's a cost we'll tell you before anything is charged. See our replacement parts page for the full process.

An alchemist's city with a crystal track inside, and lights that react as the ball goes by.

The ball lifts, crosses floating bridges and passes through gates inside an enclosed track. A sensor fires the lights as it passes, and the glow can follow the music in the room. 247 pieces, about two hours.

247 piecesAbout 2 hoursSnap-fit, no glueSound-reactive lightsAges 14+

Why you'll love it

  • ✓ A track you look into. The ball runs inside the structure through lifting crystals and floating bridges.
  • ✓ Lights that respond. A motion sensor on the track changes the colors each time the ball passes.
  • ✓ Three lighting modes. Constant, breathing, or rhythm that follows whatever is playing in the room.
  • ✓ Build it bigger. Connects on four sides, horizontally and vertically, with other Parallel World modules.

Great gift for fantasy fans, gamers, desk setup lovers and first-time builders who want a quick, glowing build.

Specifications
Assembled size 7.1" W × 3.0" D × 9.1" H
Parts 247
Build time About 2 hours
Difficulty Intermediate
Material Moulded PVC
Power USB-C (cable not included)
Lighting 6 modules: constant, breathing, rhythm
Sensor Motion-triggered color change on the track
Expandable Four-way, with other Parallel World modules
Assembly Snap-fit, no glue
Certification CE marked
Age 14 and up
Model reference Robotime ROKR · MR04S
What's in the box
  • 247 pre-cut parts
  • Enclosed track sections and balls
  • Six lighting modules with motion sensor
  • Illustrated step-by-step booklet
  • Not included: USB-C cable and 5V charger
Build tips
  • Run a ball through each section before the next one closes over it.
  • Test the sensor and all three lighting modes before final assembly.
  • Have your own USB-C cable ready for the first test.

Two hours to build. Then it lights up whenever the ball moves.

✓ Ships from the US in 4 to 7 business days
✓ Free shipping on every order
✓ Missing or damaged part? We replace it

⚠ WARNING: CHOKING HAZARD. Contains small balls and small parts. Not for children under 3 years. Recommended for ages 14 and up.

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