Karma Baby 7 Piece Toddler Stacking Block Set, Multi 7-Piece Toddler Block Set Made up of seven bright and chunky blocks Large Block: 12&#034; W x 12&#034; D x 6&#034; H Medium Block: 12&#034; W x 6&#034; D x 6&#034; H Small Block: 6&#034; W x 6&#034; D x 6&#034; H Product Dimensions18.4 x 12.3 x 12.2 inches ASINB01G3OTSW2 Item model number1621-KB-12684 Manufacturer recommended age3 years and up