The Mini Verse Case Lot – 15 Make It Mini Birthday, Series 1, Mystery Balls. Display Box is included. This is a limited edition toy set from MGA Entertainment. This lot includes 15 miniature birthday-themed balls, perfect for children ages 8 and up. The 15 mystery balls come in a display box for easy storage or display. Ideal for birthdays, this collectible set is a part of the Make It Mini series, offering a unique and fun way to celebrate. All items are new and sealed.