What's the difference between sparkler and sparklet?

Sparkler

Definition:

Example Sentences:

(1) A pair took off from the newly tilled bare earth, chasing in tandem, making mazy, quicksilver, patterns with their white tail feathers glinting against the soil, as if they were playing with sparklers.
(2) We'd gather on the top tier for the fireworks display, watching catherine wheels spitting and fizzling out on the tree trunks, sparklers dancing in our hands.
(3) "Breaking Dawn – Part 2 is three fingers of supernatural teen romance served neat in a dirty glass with a sparkler and cocktail umbrella, and not a single concession is made to newcomers, or sanity," enthuses The Telegraph's Robbie Collin .
(4) Photograph: Cylla Von Tiedemann The Edinburgh international festival theatre programme is not a sparkler this year, but the one production that really glitters with promise is Tim Supple's version of the ancient tales gathered from across India, Persia and the Arab empire.
(5) But due to said [word obscured by bullethole] it is allowed.” Just a month before the bombing, Tsarnaev and some friends had lit sparklers on the banks of the Charles river.
(6) You don't commission someone like Julie Burchill to launch an Exocet missile and then say: "Oh dear, we only really wanted a sparkler."
(7) Firecrackers, bottle rockets, and sparklers contribute to the most hospitalizations.
(8) Each night, they’d go to big clubs, such as the VIP Rooms in Saint-Tropez or Gotha in Cannes, spend £5,000, £10,000 on a table and buy huge bottles of Dom Pérignon with sparklers,” she says.