Epic Ninja Warriors Karate Birthday

Celebrate double the fun with this Joint Ninja Birthday Invitation, perfect for a shared ninja and karate–themed party! Designed for kids who love martial arts, action, and adventure, this invitation features bold ninja vibes and karate energy that set the tone for an exciting celebration. Ideal for siblings, twins, or friends sharing one unforgettable birthday party. Fully customizable with names, age, date, time, and location. Perfect for printing or digital sharing, this fun and dynamic design is sure to impress guests and get everyone ready to kick, jump, and celebrate in ninja style!