You're the artist, designer, and engineer all at the same time! Explore kinetic energy, balance, equilibrium, and levers. It is the only mobile kit that lets you build your mobile, then take it apart and build something completely new. One kit provides unlimited designs. The configuration pictured measures 30" x 30". Made in the USA.
And its expandable! By adding additional kits (sold separately) you can watch your mobile grow and grow.