Meet TiTi & Stemmy and unlock your first STEM adventure.
A children's book series that pairs illustrated robot adventures with hands-on STEM kits. Grab your free Electricity & Circuits Activity sheet — Available for preorder today
Explore. Experiment. Excite.
✨Available for preorder today · STEM books for Early childhood and Elementary School✨
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A STEM Picture Book + Activity Kit for Ages 2–6
What happens when you mix red and yellow? What about blue and yellow? TiTi and Stemmy are about to find out — and so is your little one.
In this vibrant picture book, TiTi and her flying friend Stemmy explore the magical world of color mixing inside their robot workshop. With big, bold illustrations and simple, joyful language, young readers discover that three colors can make almost every color in the world — and that science is something you can do, touch, and see for yourself.
The included activity kit brings the story to life the moment the last page turns. Little hands mix, swirl, and watch colors transform right at the kitchen table — no experience needed, just curiosity.
What’s Inside:
• Illustrated paperback picture book — bold, expressive, read-aloud friendly
• Hands-on color mixing activity kit with child-safe materials
• Simple activity guide for parents and caregivers
Perfect for: Storytime, playdates, preschool classrooms, and curious kids who love to ask “why?”
Part of the TiTi & Stemmy STEM Young Explorer Series — Where Curiosity Powers Discovery.
Explore. Experiment. Excite.
A STEM Adventure Book + Circuit Kit for Grades 2–5
Something in the robot workshop just flickered on. TiTi wants to know why — and she’s not stopping until she figures it out.
In Book 1 of the TiTi & Stemmy STEM Adventure Series, TiTi and her inventive flying companion Stemmy investigate one of science’s most fundamental questions: how does electricity actually work? Through a hands-on investigation, a broken circuit, a moment of real discovery, and a fan-powered finish, TiTi and her robot crew show young readers that science isn’t something that happens to you — it’s something you do.
The premium circuit kit included with every book lets your child build the exact same circuits TiTi builds on the page — a glowing LED, a switch that controls the light, and a spinning fan motor powered entirely by electricity. Three activities. One big idea. Endless replay.
What’s Inside:
• An illustrated paperback adventure story
• Premium circuit kit: LED, battery holder, jumper wires, push button switch, slide switch, DC motor, and fan blade
• Three activity worksheets using the Predict → Do → Observe → Reflect scientific method
• Branded kit insert card with component guide and QR code
What Your Child Will Learn:
• Why electricity needs a complete loop — and what happens when the loop breaks
• How a switch controls a circuit
• How electrical energy becomes light and motion
• How to think, test, observe, and reflect like a real scientist
Perfect for: Home learning, STEM night, birthday gifts, classroom enrichment, and any kid who loves asking “how does that work?”
Book 1 of 6 in the TiTi & Stemmy STEM Adventure Series — Explore. Experiment. Excite.
What you're signing up for
More than a book. More than a kit.
Every TiTi & Stemmy adventure is a complete learning experience — story, science, and hands-on exploration together.
Illustrated Story
Expressive robot characters navigate real STEM challenges inside their workshop. Kids see themselves in every page.
Hands-On STEM Kit
Every book comes with a physical kit — the exact materials the characters use. Kids repeat the experiments themselves.
Activity Worksheets
Predict → Do → Observe → Reflect. A structured science method woven into every kit, aligned with school STEM standards.
Little Explorers · Ages 2–6
TiTi & Stemmy STEM Stories
Big ideas, little hands
Book 1.
What Makes Orange?
Colors & Mixing
More stories coming….
8-book series planned
Coming Soon
STEM Adventurers · Ages 7–11
A STEM adventure for every age.
TiTi & Stemmy STEM Adventures — Grades 2–5
Book 1.
Spark of Discovery
Electricity & Circuits
Book 2.
The Color Lab
Color Chemistry
Coming Soon
Book 3.
The Tie-Dye Machine
Engineering & Design
Coming Soon
Book 4.
The Coding Maze
Coding Logic
Coming Soon
Book 5.
Explore Gravity
Physics
Coming Soon
Book 6.
Save the Garden
Environmental Science
Coming Soon
2 Series
(Ages 2–6 & 7–11)
Kits
Included with every book
Ages 2–11
Early childhood to elementary
STEM+
Literacy aligned
Meet the author
Tai Prince
Engineer turned STEM storyteller
Tai Prince is an engineer and STEM advocate who turned a passion for hands-on learning into the TiTi & Stemmy STEM Adventure Series. Through illustrated robot adventures and real-world experiment kits, Tai is on a mission to spark curiosity in every young scientist — because the best discoveries happen when kids are free to explore, experiment, and excite.
"Where Curiosity Powers Discovery."
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