What can we find today? Collect trinkets; natural materials and sensory objects to place in the beautiful Treasure Blocks. Smooth hardwood frames with inset; transparent acrylic windows have a removable panel to place small objects to observe or display. Ideal for colour exploration and light table activities. Holds marbles; beads; twigs; leaves; small toys and more. Two screws on the removable panel keep objects securely in place until ready to be replaced. Set of 8. Largest Block measures 135 mm in Length x 135mm in Width x 50mm in Depth.