Find out what's included in each Advent calendar and how you can save 15% with this offer.

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KiwiCo has released a new lineup of hands-on, STEM-inspired Advent calendars for 2025.

The collection includes a new Mechanical Ornaments calendar and returning favorites like the Motorized Train and Santa's Railroad.

Prices for individual calendars range from approximately $45 to $50, with options suitable for ages 5 and up.

KiwiCo is back with a festive lineup of Advent calendars for 2025 , and this year’s collection is more hands-on, imaginative and festive than ever.

Whether you're building a motorized train or crafting mechanical ornaments that actually move , KiwiCo’s STEM-inspired kits make counting down to Christmas a creative adventure for kids and familie

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