New Kato Uni-Track N Scale Tri-S Railroad Layout: 1 - #20-430 Single Truss Bridge 2 - #20-000 - 9-3/4" Straight 1 - #20-010 - 7-5/16" Straight 6 - #20-020 - 4-7/8" Straight 2 - #20-040 - 2-7/16" Straight 1 - #20-041 - 2-7/16" Feeder 2 - 29mm - Straight 2 - #20-120 - 12-3/8" Radius 8 - #20-110 - 11" Radius 8 - #20-100 - 9-3/4" Radius 2 - #20-160 - 19" Radius 1 - #20-203 - Right Turnout 1 - #20-301 - Right X-ing 1 - #20-048 - Bumper 1 - #20-840 - Control Switch Track Size - 25" x 46"...Layout Base - 28" x 48"...1/4" MDF with 1"x2" under framing...prepped for paint...styrofoam board