Explore light & color with James Block Set! This set includes 10 translucent windows and 10 lucite gemstones, perfect for adding to existing block sets such as Riley, Austin, or the Barca sets. With these blocks, children can practice counting, stacking, sorting, and exploring colors. Use them with a light table or natural light from a window to see the beautiful shadows they create

20-Piece Set of Lucite Gemstones & Translucent Windows Comes in a beechwood tray for storage. Acrylic Block size: 2” × 1” Translucent Window Block Size: 2" x 2" Storage Tray size: 11” × 7”

Ages 3Y+