Set of 8 smooth hardwood frames with inset transparent acrylic windows.

A removable panel allows you to place small objects inside to observe or display. Collect natural materials and sensory objects, or explore colour and use for light table activities.

Two screws on the removable panel keep objects securely in place until ready to be removed and replaced.

Largest block measures 17.8cmL x 17.8cmW x 5cmH. 3yrs+.