20-Second Handwashing Timer | Becker's School Supplies
Amazon.com: BIGMONAT Hand Washing Timer for Kids, Musical Teeth Brushing Timer for Boy and Girl, Stick on Bathroom Timer for Children Training Coach, AAA Battery Operated, 12 Songs, Sound Volume Adjustable :
Overview | No-Touch Hand Wash Timer for Circuit Playground Express and CLUE | Adafruit Learning System
20-Second Handwashing Timer
Kikkerland Hand Washing Timer | World Market
Learning Resources Time Tracker Mini Visual Timer, Classroom Timer, Hand Washing Timer, Auditory and Visual Cue, Ages 3+ 4.8" x 3.3" x 3.3" - Walmart.com