Use this coupon code at checkout: RILZKC7K
Right now you can get the 556 Pieces Mars Rover Building Kit for $19.99 on Amazon. Use coupon code: RILZKC7K to get an additional $10.99 off to make it $9.00. Shipping is free with Amazon Prime or orders over $25.
Amazon.com price frequently change and can happen at any time. Please refer to post date to see when deal was posted.