The Science Of Rainbows | The Curious Explorers Club | Physical Mail Edition

Discover the colorful science behind one of nature’s most beautiful wonders with The Science of Rainbows Letter from The Curious Explorers Club!

This beautifully designed physical mailer invites curious children to explore how sunlight, water, and weather work together to create rainbows alongside Lucy and Zach. From learning how light bends and spreads into colors to understanding why rainbows appear after rain, this letter brings the magic of rainbows to life through real science.

This front and back professionally printed letter is filled with engaging, kid friendly information, real world photos, and charming illustrations that make weather and light easy to understand. Inside, children will learn what light is, how raindrops act like tiny prisms, why rainbows form in the sky, why they look like arches, and even why no two people see the exact same rainbow - all explained in a warm and clear way.

Each letter also includes a badge, themed stickers, and a hands on monthly activity that encourages children to explore light and color through simple at home experiments. A monthly challenge invites families to observe weather patterns, look for rainbows after rain, and discover how sunlight and water interact in everyday life. The content is thoughtfully written to spark curiosity, support early STEM learning, and create meaningful family connection through exploration.

This listing is for a physical mailed copy of The Science of Rainbows letter and activity pages, making it perfect for children who love receiving happy mail and learning how the world works through hands on discovery.

The Curious Explorers Club will soon be available as a monthly subscription, delivering new themed letters and activities straight to your mailbox. Digital downloads of our letters will also be available for families who prefer a printable option at a discounted price.

Join Lucy and Zach as they explore the science of rainbows and discover how light, color, and weather come together to create something truly amazing!