Smartivitiy: Music Machine Radio Controlled Trucks sensor-assisted SAFE® technology gives it

sensor-assisted SAFE® technology gives it built-in stability

You'll need to purchase the original BUILDZI game separately

Disney Frozen shimmer 'N sing Anna sings her epic song as her glitter bodice lights up

Detailed features include a sweet tri-colored face

Smartivitiy: Music Machine Radio Controlled Trucks sensor-assisted SAFE® technology gives itBuild your very own wooden music machine by following easy and step by step instructions. Imagine, not just owning, but having your child build their first ever instrument! Learn about the concepts of gear mechanics, vibrations, and musical notes along the way. Trusted by parents and loved by kids in 30+ countries. Every Smartivity toy goes through months of extensive research and testing before launch; carefully crafted by a team of toy designers,