Second position plies + pulses.
Pulse 90 degree lunges
Fire hydrants + pulses
Turned out bridges
Inner thigh bridges
Side kick series
Modified pigeon stretch
If you don't have a stability ball just yet, you can use a pillow or do all of this without the ball. It's still a great workout!
Planks - shifts, leg lifts, shoulder taps
Ball below the taps of the shoulder blades - crunches, pulses, table leg crunches, add twist,