WST4802 ST4802 Mod-U-Rail System Corner Module StandBuild the layout of your dreams one module at a time. Module Kits can be assembled and bolted together end to end or side to side. The Corner Module Kit creates a module that is 36" d x 36" l (91. 4 cm x 91. 4 cm). Build as corner or square. Save over purchasing items separately. Track not included. Kit includes: 2 Foam Bases 1 2" x 18" x 36" (1. 27 cm x 45. 7 cm x 91. 4 cm) 4 2" Risers 6 Profile Boards 8" x 24" (20. 3 cm x 60. 9 cm) 2 Connector