fall inside a hole

Plarail Stacking Tunnel System (2006-)

In 2006 Tomy released the first of a few tunnel and dome accessories for the Plarail system that could be stacked and connected together. This system primarily consisted of translucent "domes" as well as subway-style tunnels. The sections are also compatible with Tomica Town curbs and other accessories.

Stacking tunnel accessories

Year Name Description Photo
2006 J-24 Clear Dome (Round) Straight track section with clear semicircle dome
2006 J-25 Clear Dome (Square) Straight track with clear rectangular tunnel that more domes can be stacked on  
2008 J-26 Underground Station Stacking, tiled subway station that fits in with the other subway tunnels  
2008 R-25 Underground Straight Rail Straight rail molded into a stacking combinable subway tunnel section

J-24 Clear Dome (Round) (2006)

In December 2006 the J-24 Clear Dome (Round) (J-24 クリアドーム(まるがた)) was released individually, first appearing in the Let's Connect a Lot! 700 Series Hikari Rail Star Set. It is designed to sit on top of the square-type dome as well as some large accessory bases like the Large Dome Station.

J-26 Underground Station (2007/2008)

First released in blue in the Subway Rail Set in December 2007, the individual J-26 Underground Station has a lighter grey upper section instead of blue and different stickers. The staircase will actually connect across three different stations, two connection in a row with a third below the second.

This station was exported in the Tomica Hypercity Super Big Set. This version is localized from the regular individual Japanese release.

R-25 Underground Straight Rail (2007/2008)

In 2007 the Subway Rail Set included five straight rails integrated into columned subway tunnels which were then released individually as R-25 Underground Straight Rail (R-25 地下直線レール).

 

Several Plarail sets include these stacking accessories. Sets in my collection with stacking tunnels include...

Year Name Description Photo 
2007 Subway Rail Set A "track pack" with no train but a loop of track with six subway tunnels, one of which is a detailed station

Several of the Tomica Hypercity series export sets included these stacking pieces

Year Name Description Photo