Learn Numbers, Addition, and Subtraction with Little Numbers hands-on children's calculator. A Montessori influenced children's table top game for children's 24mo to 6 years.Use your hands-on children's calculator to learn numbers and to practice simple math formulas and foundational logic skills with your Little.Includes:- 1 Calculator Tray- 22 Number Tiles- 18 Marker Chips- Natural Premium Hardwood- Bright and Beautiful Colors- Lightweight and Easy to Handle- Indoor & Outdoor Day Use- Baby Friendly Sealant (0-VOC)- Built in the USA by Lily & River Workshop