Photo 1 of The Thames & Kosmos Science Advent Calendar Vol 2 | 24 Daily STEM Experiments in Chemistry, Biology & Physics, Countdown to Winter Holiday Celebrations | Fun, Wholesome Family Tradition (2024 Version)

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Photo 1 of The Thames & Kosmos Science Advent Calendar Vol 2 | 24 Daily STEM Experiments in Chemistry, Biology & Physics, Countdown to Winter Holiday Celebrations | Fun, Wholesome Family Tradition (2024 Version)Photo 2 of The Thames & Kosmos Science Advent Calendar Vol 2 | 24 Daily STEM Experiments in Chemistry, Biology & Physics, Countdown to Winter Holiday Celebrations | Fun, Wholesome Family Tradition (2024 Version)