I've been a big fan of Lovevery for a long time! They offer developmentally appropriate play kits for infants, toddlers, and young children. The play kits contain items to facilitate a child's development and come with an activity guide that breaks down how to utilize each item! Below you will find links for the Play Gym, along with Play Kits from 0-10 months!
Please note, these are affiliate links and I will get a small commission with each purchase!