You donโt have to spend $100+ to win the holiday countdown. Skip the generic candy and cheap plastic filler. This curated list features the most-wanted, top-tier kids' advent calendars of the seasonโall clocked in strictly under $50. From highly coveted LEGO sets and the viral NeeDoh Squishmas sensory calendar to popular collectibles like Micromallows, these are the trendiest high-value countdowns that will actually keep them excited every single morning.