Here are the best and cheapest retailers where you can buy Super Mario bros. Wonder for the Nintendo Switch consoles.
Super Mario Bros. Wonder pre-order: info and pricing - Polygon
Super Mario Bros Wonder Is Now Available - IGN
Super Mario Bros. Wonder Review
Super Mario Bros. Wonder review – very super-stache-ious
Super Mario Bros. Wonder - 1994 : r/Mario
Super Mario Bros.™ Wonder - Nintendo Switch (US Version) : Everything Else
Super Mario Bros Wonder Trading - Bowser Holo Foil. Plus More! - Simpson Advanced Chiropractic & Medical Center
Switch Super Mario Bros Wonder Limited Game Software & Plate & Pins Set W/ Box
Super Mario Bros.™ Wonder for Nintendo Switch - Nintendo Official Site
Super Mario Bros. Wonder pre-order: info and pricing - Polygon
Super Mario Bros. Wonder - Nintendo Switch [Digital]
Find wonder in the next evolution of Mario fun. Classic Mario side-scrolling gameplay is turned on its head with the addition of Wonder Flowers. These game-changing items trigger spectacular moments you have to see to believeWitness pipes coming alive, float through outer space, wreak havoc as a giant Spike-Ball, and see even more unexpected events called wonder effects. Pick from heroic Super Mario characters and power-ups to save the Flower Kingdom.
Nintendo - Super Mario Bros Wonder - Switch