NPW NP31881 Make Your Own Chalkboard Balloons and Chalk Pen Set, All Occasion, Black/White Party balloon kit containing 20 black balloons and sticks, crepe paper streamers and water based chalk pen Create unique designs or write chalkboard style messages for your party guests Attach each balloon to a stick and tie on white streamers for maximum impact For a fun party activity, have your guests write their own personal messages Entertain friends with hilarious NPW gifts and gadgets that will crack them up