Jonti-Craft® Hollow Blocks

Now stronger than ever!! Birch and maple construction, all joints reinforced with heavy duty screws. KYDZSafe® edges are carefully rounded and sanded. The large size encourages group play and cooperative activity. Birch and maple construction. Full Unit measures 11″ wide x 11″ long x 5½” high. 12 Pieces and 5 Shapes.