Get the Mardi Gras Party Started with Mardi Gras Beads. These plastic bead necklaces come in assorted colors. These necklaces are good for pretend play, dress up, and made grass. Assorted colors. Plastic beads. Looking for unique and fun wearables for Mardi Gras? We have a wide selection of costume accessories to make your Mardi Gras celebration a hit! Find the bling you need to make your Mardi Gras or Carnival costume a hit!