Colored See-Thru Wooden Blocks | 21-Piece Hardwood & Acrylic Building SetAdd a vibrant and engaging twist to your classrooms block play and sensory exploration with the Colored See Thru Wooden Blocks 21 Piece Set, specially designed for early childhood educators. Each block is expertly crafted from durable hardwood and fitted with a sturdy acrylic panel in one of three bold colorsred, yellow, or blue. Perfectly scaled to match standard unit block sizes, these pieces integrate effortlessly into existing block sets,