Below are three formal rephrasings of the phrase, followed by a brief, step-by-step note explaining the wording choices.
A board-bound children’s book whose pages are punctured and which incorporates an integrated sound panel with contact wiring.
A sturdy board book featuring perforated pages and a built-in audio module connected by visible contact wires.
A rigid-board picture book exhibiting punctured pages and an embedded sound panel equipped with exposed contact wires.
Brief explanation (step by step):
Identify the components: the type of book (board book), the page condition (punctured/perforated), and the electronic part (sound panel with contact wires).
Choose more formal synonyms: e.g., 'board-bound' or 'rigid-board' for 'board book'; 'perforated' or 'punctured' for 'punctured pages'; 'audio module' or 'sound panel' for 'sound panel'; 'contact wiring' or 'contact wires' for the electrical connections.
Combine into complete, grammatically formal sentences that clearly describe each element and their relationship.