Target has the LEGO Legends of Chima – Chi Waterfall marked down to 50% off. Right now it is priced at $7.48. You will get this by Christmas if you place your order today (12/19).
This will ship for FREE if you pay with your Target REDcard + you will get an extra 5% off too.
The Chima Speedorz sets are also 50% off in-store until 12/21, I believe. Also found these sets 50% off at Toys R Us and the Lego Store.