Customizable Talking Book for Kids

I'm seeking a bespoke talking book designed for primary school children. This engaging audio-visual learning tool should cover all subjects and come with an array of customization options. The aim is to create an interactive and adjustable learning experience for different levels of comprehension and engagement.

Key Requirements:
- The talking book should be suitable for primary school children and cover a variety of subjects including Math, Language Arts, and Science.
- It should include a speaker, microphone, and interactive buttons.
- The customization options should allow recording of personal messages, changing of button functions, adjusting of volume and playback speed, and altering of content based on the learner's needs.
- It should be designed to encourage learner involvement.
- Ideally, it should also have a camera feature.

Ideal Skills and Experience:
- Experience in designing educational tools or interactive books.
- Proficient in audio-visual equipment.
- Understanding of primary school curriculum and learning needs.
- Ability to create engaging and interactive content.