Building Box retainer cases are as fun as they are practical
Patients of all ages will love the classic style and colors of 1-1/4″ Building Box Retainer Cases. A timeless favorite, they are fully compatible with LEGO®-style blocks for extra fun. Multiple cases can be connected into one unit to keep appliances together. Durable, vented plastic cases measure 3″W x 2-1/4″L inside and 1-1/4″ deep. 12 per pack in assorted blue, red, and yellow colors. Lego-style blocks not included.
