Amazon America currently has LEGO Ninjago 9450 Epic Dragon Battle on sale for $86.66 (reg.$119.99). Savings work out to be 28% off. Free shipping on orders above $25 and no tax for most states.
LEGO Galaxy Squad 70704 Vermin Vaporizer is also down to $43.79 (reg.$59.99) which works out to be 27% off. If your into LEGO City Fire sets, the overpriced 60003 Fire Emergency is now 24% off for $30.40 (reg.$39.99). More of their hottest LEGO deals can be found here.