Assemble Large Block
1. Sew brown dot 4-1/2x8-1/2" strips to opposite edges of white car print 8-1/2" square (Diagram 4). Add brown dot 4-1/2x16-1/2" strips to remaining edges. Press all seams toward brown dot strips.
2. Sew blue train print 4-1/2x16-1/2" strips to opposite edges of Step 1 unit. Add blue train print 4-1/2x24-1/2" strips to remaining edges to make large block. Press all seams toward blue train print strips. The large block should be 24-1/2" square including seam allowances.