Stacking game Color Crystals The crystal blocks can be stacked according to the child’s own color scheme or simply according to the template cards provided. This stacking game offers junior stacking artists multiple creative possibilities. The wooden blocks and prisms can be laid out flat or slotted one above the other in the stacking frame. The bright and colorful prisms and the beautiful shape of the stacking blocks guarantee long-lasting and varied fun. Contents: 14 stacking blocks, 1 stacking frame, 12 template cards. Materials: beech, plastic, cardboard. Dimensions: prisms each 3“ x 3 ½“ x 1“.