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.12 per pack in assorted blue, red, and yellow colors.
Durable, vented plastic cases measure 3"W x 21â„4"L inside.
Available in both 5/8" and 1 1/4" deep.