We haven’t used any “couples” toys that are specifically for couples, but we often while having sex will have a bullet vibe and cock ring in play 
The Sexual Happiness Podcast has some good episodes, like tips for using specific types of toys and how to bring up certain topics with your partner, and the Lovehoney Blog has some toy and kit suggestions 
Hope you guys find something fun to try!
https://www.lovehoney.co.uk/blog/best-couples-sex-toys-beginners.html