Synonyms for Cracker (same or very similar meaning)
WordNet sense 1 (firework consisting of a small explosive charge and fuse in a heavy paper casing):
firecracker, bangerWordNet sense 2 (a party favor consisting of a paper roll (usually containing candy or a small favor) that pops when pulled at both ends):
snapper, cracker bonbonFrom the ODE community, based on WordNetadd/edit