41455 Unikingdom Creative Brick Box is a LEGOUnikitty! set released in August 2018, as part of the first wave of retail sets.
This is a description taken from LEGO.com. Do not modify it.
Channel the fun and creativity of Unikitty™ to build an entire Unikingdom with the colorful LEGO® Unikitty!™ 41455 Unikingdom Creative Brick Box. Follow the guides to build all your favorite characters from the Unikitty!™ TV series and you’ll soon be creating all kinds of crazy figures of your own! Instructions are also included to create special places and scenes from around the kingdom, including Unikitty Castle, developing imagination as you go. With this special brick box, the options for building fun and happiness are endless!