NeverGrowUp Bundled ALPHABET and NUMBERS 1-20 Solid Wood Puzzles + Stands and Storage Bags Experience Learning the Alphabet (Capital Letters) and Numbers (1-20) with These Solid, Vivid, Well-Made, Rainbow Colored Puzzle Sets. Intertek tested Paint for Safety. Grasp the Smooth 1  Tall x  Thick Letters and 1  Tall x  Thick Numbers from the Puzzles, Stand Them UP to Arrange in Alphabetical and Numerical Order. Integrate Color Recognition. Practice Counting, Subtracting and Adding with this Brilliant, Stunning Collection of Numbers 1- 20 and Symbols; Plus, Minus and Equal Sign. Practice Spelling 2 - 4 Letter Words by Allowing the Child to Add the First or Last Letter. Suggest Letter/Sound Association. Recommended for Ages Three Years and Up