Wood and Acrylic Unit Window Block – 24 Pieces

2 years & up. Bring a whole new level of light, color and design to the classic unit block system with this set of wooden blocks and colorful acrylic pieces. Window cutouts in blocks allow for customization and control over creations. 24-piece set includes 12 wooden blocks in 3 shapes and 12 acrylic blocks in 3 shapes and 10 colors.