boys' toys

noun[plural only]2

1. •
   Products such as mechanical and electronic gadgets and gizmos, games, fast cars, motorbikes etc., targeting adult male consumers.

   • The property is littered with giant flat-screen TVs and expensive boys' toys, with lacquered sliding panels hiding any mess. — 2007
2. •
   Non-consumer products involving high-tech engineering, such as rockets, submarines, helicopters etc., that are likely to interest men.

   • Huge excitement in the world of boys’ toys! Britain has launched a nuclear submarine called HMS Astute. — 2007