Lily&rsquo;s Home Happy Birthday Musical Singing Novelty Straws Set of 4, Pink PLAYS HAPPY BIRTHDAY AS YOU SIP. Fun musical straws sing the happy birthday song as you sip  and stops playing when you stop. A HUGE HIT AT KIDS PARTIES. Kids love sipping these magical straws to hear the special song. BATTERIES INCLUDED. Start using these fun straws right away. Reusable, keep sipping and singing after the partys over. INCLUDES 4 STRAWS. Each straw plays music as its used. Safe plastic, hand wash only. LONG, CURVY STRAWS. Slip into any drink for extra birthday fun. Transparent plastic so kids can watch drinks go up, up, up!