Rare savings! The LEGO Birthday Decoration Cake Set is only $16.23 at Amazon, normally $19.99. This makes a great birthday gift!

Amazon Prime members get free two-day shipping. Not a member? Sign up for a free 30-day trial here. Otherwise, shipping is free with a $35.00 sitewide purchase.

Act fast! The LEGO set is going to sell out in a flash.

Up Next: Thermos Deal!