Tonight Show's resident science expert Kevin Delaney performs some summertime experiments with Jimmy, including marshmallow toasting with a sparkler and a go-kart race powered by canisters of CO2. | The Tonight Show Starring Jimmy Fallon
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Tonight Show's resident science expert Kevin Delaney performs some summertime experiments with Jimmy, including marshmallow toasting with a sparkler and a go-kart
The Tonight Show Starring Jimmy Fallon. . Tonight Show's resident science expert Kevin Delaney performs some summertime experiments with Jimmy, including marshmallow toasting with a sparkler and a go-kart race powered by canisters of CO2.
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