Free Prime Number Chart (Printable PDF) Mashup Math Free Large Printable Numbers 1 100 1 20 Number Chart for Preschool Activity Shelter Printable Numbers 1 To 50 Printable Free Templates Free Printable Hundreds Charts (Numbers 1 to 100) Free Printables. Begin learning early math with the Number Sound Puzzle. Unique, this puzzle will say the correct name of each number when the piece is placed in the correct spot on the board. For best results, use in a brightly lit room to activate the puzzle's light activated sensors to help make the sounds. Each piece slightly raises above the puzzle board for easy grasping. A colorful picture on the bottom of the puzzle pieces teaches counting and reinforces the relationship between numbers and their sounds. Made of wood for top quality durability. Measures 0. 8" tall x 10" long x 13. 5" wide. Requires AAA batteries (not included). For children ages 3 years and older.