We are giving motion activated toilet night lights for a white elephant this year:

Example: 2 Pack Rechargeable Toilet Bowl Night Lights,16 Colors Motion Detection Cool Fun Nightlights, Funny & Useful Birthday Gifts Idea for Dad, Mom, Men, Women & Kids, Best Gag Stocking Stuffers Gadgets https://www.amazon.com/dp/B07CZH64PB/ref=cm_sw_r_cp_api_i_zuc8Db963SKEM