Djeco Mosaics Art By Numbers MERMAIDS. Stick the self-adhesive foam mosaic pieces on the templates by number and create four wonderful mermaid themed mosaic pictures. You will find other shiny beads to embellish the pieces of art even more. The set includes four templates, 12 sheets of glittery foam mosaic pieces in different colours and 4 sheets with other shiny ornaments. Age: 7-13 years. Size: 19,5 x 26 cm. Size of box: 27,5 x 21,5 x 4 cm. Not suitable for children under 36 months. Choking hazard from swallowing or inhaling small parts.