Grimm's Natural Wood Geo-Blocks - Classic European Wooden Building Set with Net Bag, 30 Blocks Building blocks are foundational for children's play and promote motor, language and social skills, plus creativity, and color & shape perception Set is handcrafted in Europe & includes a total of 30 blocks in a variety of shapes and sizes These high quality natural wood blocks are a versatile toy that will span many years of childhood and are sure to be used over and over again Grimm's adheres to Waldorf education principles, therefore no lacquer or varnish is used, giving the blocks a natural feel that's also ideal for slip-free building projects Set combines easily with other blocks sets you may already have for larger construction projects. Also available in colors, as Rainbow Geo-Blocks