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Description
The Tunnel by Artisan CoinThe Coin Penetration Tube is a classic coin magic prop. It consists of two metal or wooden cylinders that can be snapped together and split apart, with a playing card or metal plate in between them. The magic happens when a coin is placed in one end of the tube and passes through to the other end. The beauty of this prop is that it does not require any complicated sleights or techniques. Over time, the availability of high quality versions has become
The Coin Penetration Tube is a classic coin magic prop. It consists of two metal or wooden cylinders that can be snapped together and split apart, with a playing card or metal plate in between them. The magic happens when a coin is placed in one end of the tube and passes through to the other end. The beauty of this prop is that it does not require any complicated sleights or techniques.Over time, the availability of high-quality versions has become scarce. Many plastic and poorly designed versions have caused magicians to lose interest in performing with this prop. To bring back the excitement and magic of the traditional coin penetration effect, Jay Wang and Jimmy Fan have collaborated to bring you The Tunnel by Artisan Coin.
Lenz's Law Routine
You bring out two brass tubes with wooden exteriors and a magnet and ask your audience if they are familiar with Lenz's Law. You then demonstrate this fascinating physical phenomenon by dropping the magnet through the brass tubes. As it falls, the speed of the magnet slows down, creating an almost slow-motion effect. You explain that this is a result of electromagnetic induction, but what makes this demonstration truly magical is the fact that the space inside the brass tube is distorted.
The Tunnel is a routine that combines the classic coin penetration effect with the physical phenomenon of Lenz's Law. This not only logically creates the "reasonableness" of the magic effect but also enhances the overall magical experience, making it more captivating. Our goal was to create a routine that is not just a magic trick but also a memorable and complete performance.
We have put a lot of thought and effort into the design of The Tunnel, from the stunning wooden exterior to the combination of brass and wood. After multiple iterations and revisions, the current version of The Tunnel is a high-quality, collectible item that is both elegant and functional.
The inner tube is made of 3mm thick brass, which maximizes the deceleration effect of Lenz's Law without compromising the aesthetics or stability of the brass-wood combination. The exterior is fully encased in high-grade rosewood, and each set has its own unique wood grain and color, adding to its high-end appeal.
Features
- A classic effect with a fresh presentation
- 3mm thick brass inner tube fully encased in high-grade red rosewood, making it a beautiful and collectible-quality prop
- Magnetic connector design ensures your coins stay securely in place, and it can also hold playing cards or plastic cards (bank/credit cards with magnetic strips are not recommended, as they may be damaged)
- Can be handed out for examination
- Almost no sleight of hand required, as the prop does 99% of the work for you
- Uses four regular half dollars, sized at approximately 29mm-30mm in diameter (coins are not included)
- Includes a detailed online instructional tutorial, covering both the coin penetration routine and the full Lenz's Law routine.
If you would like to obtain the neodymium magnet separately, you will need a cylinder magnet with the following dimensions:
- Height: 20mm
- Diameter: 30mm
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Heavy duty legs for table.
Size: side table leg
Perfect legs for a table I am having made. I have an cottonwood slice. It's heavy and needed something substantial.
These are perfect.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Robust pipe & fittings with a beautiful, smooth black finish
Size: side table leg
This set of pipe & fittings for use as low table legs is heavy duty and aesthetically pleasing. Especially when the pieces are handled, the tactile sensation is much nicer than with plumbing steel pipe because this product is beautifully finished smooth. The black pipes are quite smooth as well as the fittings.
The pieces are all also pretty robust, though the wall thicknesses are less than in pipe for pressurized water systems. Of course that makes sense as this product does not need to hold fluid pressure.
In my view they got the heaviness factor of this product just right; it's not as heavy or robust as black pipe used in natural gas supplies, but still robust and pretty heavy. Assembled, this product is absolutely stiff and unyielding for a solid table that could hold a man's weight easily.
The feet utilize a brilliant scheme so that each foot can be independently adjusted for an uneven floor. Thus a level table on an uneven floor is easily accomplished. The feet simply extend the effective leg length by screwing counter-clockwise. To prevent any shifting at the threads adding some pipe compound or teflon tape may be advised. Even masking or duct tape might work as the idea is to just fill any gaps where male threads meet female threads.
The four flanges at the tops of the legs provide a wide, solid surface for attaching the table top, with either hidden screws underneath or you could through-bolt a glass table top (provided you have the skill to drill glass!). I think this product would look great with a glass top.
Assembly is quick and easy. The hardest part is drilling holes underneath the table top to accept screws. No pipe wrenches are needed as the pieces screw together by hand to an adequate tightness. If any doubt whether they are tightened enough have a strong person with grippy gloves finish. The "X" in the center attaches to the legs with a very clever machine screw system tightened with the included hex wrench. This is presumably because if tightened simply by screwing the fittings, the point of snugness would not likely be where the "T" fittings are exactly vertical. The maker has solved this problem so that you are assured that all legs will be in the perfect vertical position once everything is tight. The setup is also nice and rigid once tightened. This is a huge benefit of steel pipe projects; they are really solid.
The black finish is clearly very durable, like a powder coat. It appears that it will provide excellent protection against rust. Coverage is complete; I found no dings or scratches anywhere on any piece.
Overall this is a very well-designed product for function and aesthetics. Perfect for a beautifully renovated warehouse condo where an industrial vibe is desired in a rock-solid table that won't shift around. The smoothness of the pipe is top notch. I've used lots of pipe in projects, some of it actual water pipe and some decorative pipe such as this. I've never seen better quality decorative pipe as this maker put in the effort to finish it beautifully smooth. At currently $34.99 I find the price quite reasonable too.
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Reviewed in the United States on April 18, 2026
★★★★★ 3
the height is only 16"
Size: coffee table leg
The height is only 16". From the description it appears to be 24" wide and 24" high.
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Reviewed in the United States on April 2, 2026
★★★★★ 4
Good DIY Pipe Legs but Powder Coat Quality Lacks
Size: side table leg, Size: side table leg
These industrial style pipe legs make building a DIY end table easy and the kit saves a trip to the hardware store. The fittings go together normally and assembly is simple. Comes individually wrapped. My main issue is the powder coating looks and feels cheap and rubs off easily. The pipes already had marks from touching each other from unboxing. If you do not mind some wear on the finish over time this is a decent purchase. The metal at the hardware store will be thicker and more durable but will cost more. I’d recommend based on ease of having a kit and it being delivered saving me a trip.
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Reviewed in the United States on December 30, 2025
★★★★★ 5
Stable, attractive, and easy to turn into a table with your choice of top
Size: side table leg
The X-shape of the table legs - constructed with solid metal flanges, T-joints, X-joints and 1-inch diameter pipes - provides a strong and sturdy base for a wood top. The legs have adjustable feet pads to prevent scratches and ensure stability. Assembly of the legs is relatively simple (the instructions are clear) but you will need your own tools to attach a top.
The industrial design is especially well suited to rec room or finished basement use. I am adding a 28" diameter raw edge slab of wood from a recently felled tree as the top and it is very attractive. (Photo unavailable because after I made certain it would work I sent the slab out for drying and finishing.)
If you want a custom table and have a particular piece of wood you want to use, these legs are an excellent choice.
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Reviewed in the United States on March 18, 2026