LEGO DUPLO Classic Heart Box 10909 First Building Playset and Learning Toy for Toddlers; Great for Preschooler's Development (80 Pieces) - Walmart.com
Amazon.com: LEGO DUPLO Classic Brick Box 10913 First Set with Storage Box, Great Educational Toy for Toddlers 18 Months and up (65 Pieces) : Toys & Games