Skip to content

Just added to your cart

Qty:

Our Stores
Partners

Gift Certificates
- Books
- Science
- Age
  - Age 0-1
  - Age 1
  - Age 2
  - Age 3
  - Age 4
  - Age 5
  - Age 6
  - Age 7
  - Age 8
  - Age 9
  - Age 10
  - Age 11
  - Age 12
  - Age 13
  - Age 14
  - Age 15+
  - Young at Heart
- Skill
- Interest
  - Unicorns
  - Dinosaurs
  - Outer Space
  - Nature
  - Harry Potter
  - Star Wars
  - Superheroes
  - Eco-Friendly
- Holiday
- Staff Picks

Gift Certificates
- Donations Menu
- Donations
- Toys for Tots Donations (partnering with Sharon Lodge of McLean)
- Wish List for The Brooks Family Shelter
- Wish List for Liver Mommas & Families
- Rainbow Families
- The Braden James Fund
- Goods For Good
- Toys & Games Menu
- Toys & Games
- - Active Play Menu
  - Active Play
  - Bikes & Scooters
  - Indoor Active Fun
  - Outdoor Active Fun
- - Board Games Menu
  - Board Games
  - Beginner Games
  - Card Games
  - Cooperative Games
  - Fast & Fun Games
  - Logic Games
  - Party Games
  - Strategy Games
  - Intro Strategy Games
  - Word Games
- - Building Toys Menu
  - Building Toys
  - Blocks
  - Engineering & Robotics
  - Magna-Tiles
  - Marble Runs
  - Trains
  - Other Building Toys
- - LEGO Menu
  - LEGO
  - LEGO Architecture
  - LEGO City
  - LEGO Creator
  - LEGO Disney
  - LEGO Duplo
  - LEGO Friends
  - LEGO Harry Potter
  - LEGO Minecraft
  - LEGO Ninjago
  - LEGO Star Wars
  - LEGO Superheroes
  - LEGO Technic
  - Other LEGO
- - Pretend Play Menu
  - Pretend Play
  - Animals
  - Dolls & Action Figures
  - Dollhouses & Castles
  - Dress Up
  - House & Career Play
  - Playmobil
  - Vehicles
- Stuffed Animals
- Books & Science Menu
- Books & Science
- - Books Menu
  - Books
  - New Releases
  - Activity Books
  - Board Books
  - Picture Books
  - Early Readers
  - Early Chapter Books
  - Gift Books
  - Graphic Novels
  - Middle Grade Fiction
  - Middle Grade Fantasy
  - Nonfiction
  - LGBTQIA
  - Race, Activism & Justice
  - Workbooks
  - Young Adult Books
- - Science Menu
  - Science
  - Chemistry
  - Engineering & Robotics
  - Natural Sciences
- Puzzles & Misc Menu
- Puzzles & Misc
- - Puzzles Menu
  - Puzzles
  - My First Puzzles
  - 100-500 Piece Puzzles
  - 1000+ Piece Puzzles
  - Logic Puzzles
- - Arts & Crafts Menu
  - Arts & Crafts
  - Art Kits
  - Art Supplies
  - Color, Draw & Paint
  - Jewelry Making
  - Models
  - Sewing & Textiles
  - Slime, Sand & Dough
  - Stickers
  - Toddler Crafts
- - Infants & Toddler Menu
  - Infants & Toddler
  - Bath
  - Infant & Toddler Blocks
  - Infant Dolls & Stuffies
  - Infant & Toddler Toys
  - Infant & Toddler Music
  - Infant & Toddler Vehicles
  - Rattles & Teethers
  - Soft Books
  - Walkers & Ride Ons
- - Fidgets & Cool Stuff Menu
  - Fidgets & Cool Stuff
  - Bags
  - Cool Stuff
  - Fidgets
  - Jewelry
  - Party Favors
  - Remote Control & Drones
- - Tweens & Teens Menu
  - Tweens & Teens
  - Active
  - Arts & Crafts
  - Fashion
  - Fidgets & Cool Stuff
  - Games
- Shop By Menu
- Shop By
- - Age Menu
  - Age
  - Age 0-1
  - Age 1
  - Age 2
  - Age 3
  - Age 4
  - Age 5
  - Age 6
  - Age 7
  - Age 8
  - Age 9
  - Age 10
  - Age 11
  - Age 12
  - Age 13
  - Age 14
  - Age 15+
  - Young at Heart
- - Skill Menu
  - Skill
  - Analytical
  - Communication
  - Executive Function
  - Fine Motor Skills
  - Gross Motor Skills
  - Sensory
  - STEM
- - Interest Menu
  - Interest
  - Unicorns
  - Dinosaurs
  - Outer Space
  - Nature
  - Harry Potter
  - Star Wars
  - Superheroes
  - Eco-Friendly
- Holiday
- Staff Picks
- About Us Menu
- About Us
- Our Owner
- Our Philosophy
- Our Staff
- Our Story
- Giving Back
Our Stores
Partners

Manga Math-Ancient Formula

Regular price: $6.95
Sale price: $6.95
Unit price: per

Error Quantity must be 1 or more

Adding product to your cart

Share on Facebook

Quick Links

Our Stores
Work With Us
Join Our Mailing List
Join Our Book Club
Events
Donations
Family Resources
Blog

Important Info

Hours & Locations
Returns Policy
Shipping & Delivery

Questions?

Contact us at admin@childsplaytoysandbooks.com

Photos by Tony Ventouris Photography

Facebook
Instagram
YouTube

© 2026, Child's Play Toys and Books Powered by Shopify

Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device

choosing a selection results in a full page refresh
press the space key then arrow keys to make a selection