For baby specific things - one of the springy chairs is good. https://www.amazon.com/gp/product/B00KHR7TPK/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1

or a carrier... https://www.amazon.com/gp/product/B005HEMY4O/ref=oh_aui_detailpage_o02_s00?ie=UTF8&psc=1