Nik, Tess & Lala: 5. Are there two Niks?

Are there really two Niks, or is something magical happening in the dark cave?It's a beautiful, sunny afternoon, and Tess is ready for an adventure! But her brother Nik is too busy practicing his guitar to go exploring. Frustrated, Tess sets off on her own with her favorite plush bunny, Lala.When Tess discovers a mysterious, dark cave, she ventures inside-only to hear a strange voice echoing her every word! Is it a monster? A ghost? Or are there two Niks? When Nik arrives to rescue her, he reveals the secret behind the spooky voice: it's an echo!Join Nik and Tess on an exciting science adventure where imagination meets discovery! Through fun rhymes, vivid descriptions, and colorful visual guides, children will learn: - What sound really is and how sound waves travel through the air- How an echo works when sound bounces off hard surfaces- How the human ear and brain process sound (including the ear canal, eardrum, ossicles, and cochlea)Packed with stunning illustrations, catchy educational rhymes, and an interactive Q&A section at the end, Nik, Tess & Lala: Are There Two Niks? is the perfect blend of storytelling and STEM learning for young curious minds.Perfect for parents, teachers, and young explorers aged 5-12 who love science, music, and great adventures!