You will plateau quick if you are only using them weights. you need to try and get dumb bells with weights separately so you can increase the weight you lift, also get a book called The Encyclopedia to modern Bodybuilding by arnold Schwarzenegger. it will help a lot. until then do dumb bell flys barbell curls shoulder presses, arnold presses. bent over dumb bell flys, dumb bell presses, bicep curls tricep kick backs and extensions to get you by.