Lego Stationery - Buildable Ruler - 12" (30cm) Ruler with Building Bricks Builds 12" (30 cm) ruler. Perfect for School or the Office Made from Original LEGO Plates and Bricks Attach to any of your favorite Mini Figures! Makes A Great Gift For Any LEGO Fan! Ages 6 And Up Officially Licensed LEGO Product Builds 12&#034; (30 cm) ruler. Perfect for School or the Office Made from Original LEGO Plates and Bricks Attach to any of your favorite Mini Figures! Makes A Great Gift For Any LEGO Fan! Ages 6 And Up