Dream Blocks Dinosaurs Building Set &ndash; 20 Fun and Educational Wooden Blocks that are Duplo compatible FUN and EDUCATIONAL! 20 High quality wood building blocks that connect with Lego Duplo* brick sets. CLASSIC WOOD BLOCKS that can inspire your child's imagination with fantastic possibilities! Each block has a different letter of the alphabet on one side, a corresponding number on another, symbols and pictures for ENDLESS fun and learning! ENHANCES basic early learning concepts and counting competence while promoting imaginative and cognitive skills during play. Lego Duplo is registered trademarks which does not sponsor, authorize or endorse this product