Thames & Kosmos Science Advent Calendar w/ 24 STEM Experiments $11 at Amazon $11 $40 Price drop! Prime members only. Ends today. Amazon has the Thames & Kosmos Science Advent Calendar w/ 24 STEM Experiments on sale for $16 with free shipping on $35+ or with Prime. Materials for each experiment included in the 24 individual boxes. $11 retail: $40 Posted by DrBatman07/17/2024 at 03:05 PM PT
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