$5.99 Thomas & Friends MINIS Fizz 'n Go Mega Pack with 5 Surprises (was $15)

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Walmart has the Thomas & Friends MINIS Fizz 'n Go Mega Pack with 5 Surprises on sale for $5.99 (regularly $14.97).

Take one of the mystery cargo cubes, submerge it in warm water, and watch it fizzle! When it's done dissolving, it reveals a prize inside. There are additional surprises in the three blind bags. Also included are two MINIS engines and cargo cars so kids can cart the prizes in the cargo cars. There's a Sir Topham Hatt figure, too, to help run the railway.