Grimm's Waldorf Wooden Sticks - Set of 60 Colorful Building Blocks in Square Frame (2x2) This 60-piece blocks set is handcrafted in Germany from natural wood Recommended age for this set is 4 years to adult Each block has identical square dimensions (on 4 sides) with only the length varying, offering many unique ways to combine and build with them Guided by their creativity, this set will keep children entertained for hours Part of Grimm's 2x2 Blocks family, this set perfectly complements any other blocks from Grimm's with 2 cm thickness