Zuò shǒugōng de shíhou shǎobuliǎo yìbǎ rèróngjiāoqiāng.
You can't do crafts without a hot glue gun.
Tips
usage
热熔胶 = hot-melt adhesive (the glue stick), 胶枪 = glue gun. Together they form 热熔胶枪. Distinct from 玻璃胶枪 (silicone caulk gun, not heated - used for sealing windows/sinks) - same 胶枪 word but a totally different tool.