Let your little one build big with HABA USA's Extra Large Wooden Building Blocks. These classic blocks are ideal for developing engineering skills, honing hand-eye coordination, and sparking imaginative play! Recommended for ages 1 . Containing 102 pieces, these German-made blocks are made of reforested, untreated beech wood and measure 1.75” x 1.75”. Compatible with other building block systems and PEFC certified for sustainable forestry. Let them explore the world of physical laws, spatial dimensions, and shapes while fostering creative thought and math skills. With HABA USA's blocks, you know your child's world is getting better with responsible harvesting practices.