(CBS) No party’s complete without a cake, and so on the 100-year anniversary of Wrigley Field opening, they went big for the historic ballpark.

A 400-pound birthday cake commemorating Wrigley Field is on display outside the park this morning as the Cubs ready to play the Diamondbacks at 1:20 p.m.

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The four-by-five-foot cake was made by Carlo’s Bakery. It will later be moved across town for the team’s Bricks and Ivy Charity Ball.

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Here’s a few photos from Danny Ecker of Crain’s Chicago Business on Twitter. He reported that it took four people six days to make.

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The four-by-five-foot cake, which was made by Carlo’s Bakery of Cake Boss fame, will be outside the stadium for today’s centennial celebration before heading across town for the team’s annual Bricks and Ivy Charity Ball.