Giant, oversized (almost 3" thick) brightly colored blocks.Firm EduFoam building blocks are as much fun as their classic real wood counterparts, but safe enough for a 9 month old! No splinters, no heavy, sharp wooden corners to injure.Jumbo sized blocks make it easy for small hands and special needs hands to grip.32 pieces range from 3" X 3" up to an amazing 12" X 6" of building fun.