Flip Hat - around 40-45 firewalls
Pink Flips - around 15 firewalls
Dream Ears - around 5 firewalls
Dream Shirt - around 4-5 firewalls
Sparky is unknown but if you look around in threads people aren't paying too much for them.
Trading a 5k Spree for each one (10k for both) or a Shark Magic for:
x1 Fireworks Fountain Cone Big
x1 Fireworks Fountain Cone Small
Or
x2 Fireworks Fountain Cone Big
Pm or Reply if interested (: