Throwing a good party, like baking a cake, constructing a science project, or building a planet-swallowing particle collider, can be difficult without the proper materials. Assemble a galactic gathering with today’s Groupon: for $10, you get $20 worth of party decorations and themed supplies at Party World and other things… in West Springfield.

Brandishing an expansive inventory of party supplies, Party World and other things… adorns birthdays, anniversaries, and showers with festive components, including sports-themed decorations and tools for making candy. Hosts can fill Boston Red Sox plastic cups ($5.79/24) with sweet elixirs or mop up spills and wipe off games of forearm tic-tac-toe with a pack of New England Patriots napkins ($4.89/24). Animal candy molds ($2.39–$3.49) fashion confectionery fillings into fictional creatures such as unicorns and dinosaurs, and a candy making beginner’s guide dispenses step-by-step instruction on how to craft delectable treats ($3.99). Underwater-themed parties receive maritime enhancement with an inflatable turtle ($3.09) or a beach-ready monkey balloon ($7.99), which floats gently above get-togethers, flaunting vibrant swimming trunks and a manual for treating jellyfish stings.