Something like this? Changes colors and is on a timer.

Super Cute Cat Lamp, Silicone Kitty Lamp Night Light for Girls Bedroom, Birthday Gifts for Kids Baby Adults Portable Kawaii Nightlight Room Decor https://smile.amazon.com/dp/B08TC1QYQX/ref=cm_sw_r_cp_api_glt_fabc_9YJ9VEV03BHN92PK4QVS?_encoding=UTF8&psc=1