Building set includes 1 Barbie Musician micro-doll, 23 building bricks with special pieces and accessories, and 1 heart-shaped baseplate to build on 2 fashion accessories for customization Play as you build roleplay accessories like a piano, microphone and guitar Bricks combine with all Barbie and Mega Construx building sets, and are compatible with other name brands ​Ideal for ages 4 and up, this building toy provides build-and-play and storytelling experiences to develop creativity and problem-solving skills​ You can be anything when you top the charts with Barbie Musician micro-doll. Play as you build and compose a hit with roleplay accessories like a piano, microphone and guitar. You can even customize your Barbie micro-doll with 2 fashion accessories. Designed for beginners, this building set is easy to build and offers storytelling play with every step of building. Ideal for Wonder Builders, ages 4 and up