Thames & Kosmos SpringBots STEM Kit $22 at Amazon $22 $30 Amazon has the Thames & Kosmos SpringBots STEM Kit for $22 with free shipping on $35+ or with Prime. Assemble three robots powered by a mainspring, the main device found in old-fashioned clocks. $22 retail: $30 Report Posted by VanGogh01/23/2024 at 07:36 PM PT
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