Guidecraft Treasure Blocks Clear

Treasure Blocks feature transparent windows that are perfect for observing or displaying small objects
Holds marbles, beads, twigs, leaves, small toys and more
Use for color exploration and light table activities
Removable panel has screws to keep objects secure until ready to be replaced
Avoid using wet materials in Treasure Blocks for extended periods of time as it may cause mold.
Available in clear and primary-colored sets
Largest block measures: 5.5″ L x 5.5″ W x 2″ H
Ages 3+