Wooden unit block made from Hard Maple. Each block measures 5.5 x 2.75 x 1.375 inches. This is the original and current standard unit block size and shape invented by Caroline Pratt and used in quality preschools and primary schools worldwide. Safe for ages 6 months and up. Completely free of borates, pesticides, and fungicides commonly added to rubberwood after harvest. We use only 100% Hard Rock Maple. Manufactured on demand in the United States from Custom Milled Domestic FSC-Certified Hard Rock Maple when your order is received. Accurately cut to within 1/100 of an inch.
|