Improvement of Fireworks Algorithm

CASABREWS 3700 Essential Espresso Machine 20 Bar, Stainless Steel Cappuccino & Latte Machine with Steam Frother for Home, 43.9oz Water Tank, Silver

CASABREWS CM5418 Espresso Machine 20 Bar, Compact Espresso Maker with Steam Milk Frother, Stainless Steel Coffee Machine with 34oz Removable Water Tank for Cappuccino, Latte, Silver

My Mini Cooler – Tiny Water Dispenser Machine for Dollhouse Furniture, Juice, Beverage | Miniature Desktop Water Dispenser, Best Gift for Boys and Girls (Doughnut)

VEVOR Commercial Beverage Dispenser, 4 Tanks 12 L / 12.7 QT Per Tank Juice Dispenser, 510W Stainless Steel Ice Tea Drink Machine with 45°F-54°F Cooling Temperature, for Cold Drink Restaurant Bar Party

TMHWYP Bottom Loading Water Dispenser for 5 Gallon Bottle, 304 Stainless Steel Hot and Cold Water Dispenser with Heating & Cooling Functions, Water Machine for Home, Office, Living Room

COSTWAY Countertop Water Dispenser with Ice Maker, 3-in-1 Portable Hot Cold Dispenser with 48LBS/24H Ice Machine, Child Safety Lock for 3-5 Gallon Bottle

VEVOR Bottled Water Dispenser Pump System, 2x5 Gallon Dispensing System, Automatic Electric Water Dispenser, Double-Pipe Water Jug Pump, Compatible Use with Coffee/Tea Machine, Refrigerator, Ice Maker

LUOZZY Mini Water Dispenser Machine for Kids - Animal Simulation Dollhouse Toy (Green)