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Once per day, you will be tasked with racing or battling using a preselected driver to get rubies and items from pipes that appear just for Today's Challenge. There are a variety of items featured in these pipes, including drivers, karts, and gliders.
・You can play with the preselected driver even if you do not possess that particular driver.
・If you come across an error while firing the pipe from Today's Challenge, try restarting the app and checking your Gift Box.