This is a mechanical 3D wooden marble run puzzle for hobby builders and STEM-minded gift recipients used during hands-on building sessions to explore gears, motion, and marble-track mechanics.
Source: https://www.robotimeonline.com/products/rokr-marble-parkour-big-funnel-marble-run-lg501

| Variant | Price | Availability |
|---|---|---|
| Default Title | 39.99 USD | In Stock |
What do you do after building it?
After assembly, you crank the handle and watch the marbles move through the rails, slopes, twisting turns, and spiral funnel.
How many pieces are included?
The model is built from 233 pcs and also includes 10 marbles.
Is this more of a puzzle or a STEM toy?
It works as both. You build it like a 3D wooden puzzle, and the finished model demonstrates STEM ideas through gears, gravity, elevators, rails, and moving marble paths.
Does it make a good gift?
Yes, it is a good fit for people who enjoy hands-on hobbies, mechanical models, marble runs, or engineering-style puzzles.
Is wax included?
Wax may not be included due to customs policy. The original note says ordinary candles, crayons, or beeswax can be used instead.