Logitech's Illuminated Keyboard has a built-in trackpad at $60 (20% off), more from $18
Ltgem Black Eva Hard Case For Logitech K400 Plus Wireless Living-room Keyboard With Touchpad For Home Theatre Pc Connected To Tv - Travel Tote - AliExpress
Amazon.com: Logitech K400 Plus Wireless Touch TV Keyboard With Easy Media Control and Built-in Touchpad, HTPC Keyboard for PC-connected TV, Windows, Android, Chrome OS, Laptop, Tablet - Black : Electronics