You race Mario to the end of the course to get a bonus. And also, I guess, your friends can try to toss things to knock you off the course. According to Lego's design lead for Lego Super Mario ...

LEGO Mario, the adorably boxy hero ... with two seats that lets Mario and Luigi work together to knock Lakitu off his cloud. As you dizzy him, you'll have to avoid a Bullet Bill that also spins ...

Kids can use their LEGO® Mario™, LEGO® Luigi™ or LEGO® Peach™ figures (not included) to ride on Donkey's back, nap in the hammock, knock a banana off the palm tree, 'play' the conga drums ...