This adorable baby blanket was designed by Dream in Color Designs.  It matches the Rocketry Baby Cardigan.  Originally designed in Dream in Color Classy, but can be made in any washable worsted yarn.
 
Needles: Size 7-32" circular needles
Yarn: Worsted - 1 skein each of 6 coordinating colors
Gauge: 4 sts=1 inch
 
Leftovers from making this baby blanket can be used to make the Rocketry Baby Cardigan.