You are the artist, designer, and engineer of an inventive work of modern art! Influenced by the revered work of modern master Alexander Calder, the do-it-yourself mobile kit gives you the opportunity to create a symphony of balance and color. Includes 12 circles of red, blue, white, and yellow, hanging hardware, and instructions. Micro-balance adjustments and interchangeable parts allow the mobile to be configured in a myriad of arrangements. In addition, the mobile is expandable - by adding additional kits, you can watch your mobile grow! Made in the USA.