Upload & Sell: Off
DON'T hold back! If she really enjoys it and wants to get into it, don't limit her on anything. Show her the differences in lenses, DOF, FOV, etc... Weight or size (or horizons ) should not be an inhibitor - there are plenty of grown men who cannot handle a digital rebel + kit lens without a monopod!
I have 4 daughters, my oldest shoots for me regularily, my second is getting interested, my third started when she was 6 also... by 7 she has shot with my 200/1.8+TC on a Mark2N body!
Great shots of her having fun! Keep that momentum up with whatever she wants to get into!