Beauty, Personal Care and Cosmetic Products Design Modular Functional Toothbrush Oral Hygiene Kit by Perfect Group Corp., Ltd. Modular Functional Toothbrush is a toothbrush system with interchangeable functional modules. The available modules include pressure sensing, a two-minute reminder, voice guidance, and a nursery rhyme with flickering light. Each module is added or removed with a simple push or pull. The modules fit handles made of eco-friendly metal, conventional materials, or soft silicone for children. A magnetic panel holds the toothbrush and charges the modules, combining storage and charging. The aim is to guide users of all ages to brush correctly.