Image Item No. Description  3068  Tile 2 x 2 Catalog: Parts: Tile  10202  Tile 6 x 6 with Bottom Tubes Catalog: Parts: Tile  90498  Tile 8 x 16 with Bottom Tubes, Textured Surface Catalog: Parts: Tile  90498  Tile 8 x 16 with Bottom Tubes, Textured Surface Catalog: Parts: Tile