Set Facts
- LEGO Super Mario set 72034 includes Baby Mario and Baby Luigi figures, each with their own buildable vehicles: the Biddybuggy and Tri-Speeder, both equipped with shell launchers.
- The set features six buildable balloons (three red and three green) for balloon-busting challenges during play.
- Baby Mario and Baby Luigi are lightweight characters in the Mario Kart series, with Baby Mario offering slightly better speed and Baby Luigi having slightly better handling. Both are highly maneuverable and ideal for tracks with tight turns, making the choice between them a matter of personal preference.
Regional Retail Prices (LEGO.com/Store)
Baby Mario vs. Baby Luigi Reviews
The LEGO Group
“LEGO® Super Mario™: Mario Kart™ – Baby Mario vs. Baby Luigi (72034) is for ages 8 and up. The set features Baby Mario in his Biddybuggy and Baby Luigi in his Tri-Speeder, ready to launch shells for a Balloon Battle. There are 6 buildable balloons in this 321-piece set.”
“These adorable babies, usually seen in the Yoshi Island series, are now ready to go for gold with this new LEGO Mario Kart set that comes in at 321 pieces. It is time for a balloon battle as Nintendo fans get to build Baby Mario and Bay Luigi's baby karts with the Biddybuggy... More and Tri-Speeder.”
Subtheme Analysis
Community Stats
Baby Mario vs. Baby Luigi currently ranks #5 out of the top most owned sets in Super Mario Mario Kart.
About Super Mario Mario Kart

The LEGO Super Mario: Mario Kart theme features customizable karts and characters like Yoshi and Donkey Kong. The sets combine physical builds with digital play, offering interactive features and classic Mario Kart sounds for an immersive experience. The theme is based on Mario Kart and Super Mario Kart, a racing video game series by Nintendo where players race as Mario characters, using power-ups and items to compete on colorful tracks.
Mario Kart was introduced in 2025 and currently consists of 13 sets.
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Bring on the balloon-busting and racing action with this Baby Mario vs. Baby Luigi toy playset for kids (72034). An exciting Mario Kart birthday gift idea for boys, girls and gamers aged 8 and up, the set features 2 collectible Nintendo figures Baby Mario and Baby Luigi and their Biddybuggy and Tri-Speeder toy vehicles. Each buildable car can launch shells, and there are 6 buildable balloons (3 red, 3 green) to aim at. Who will knock over their balloons first?
Place LEGO Mario, LEGO Luigi or LEGO Peach figure (from sets 71439, 71440 or 71441 sold separately) in either kart for interactive play, triggering Mario Kart sound/visual effects for race starting, honking and drifting.
Find building instructions for this Nintendo set in the box or on the LEGO Super Mario app and look out for other LEGO Super Mario: Mario Kart sets (sold separately) for other characters and vehicles to race and battle against.
Brick-built Mario Kart set Join forces with Baby Mario or Baby Luigi...
Description provided by LEGO©