Wooden Red–White Rekenrek (2-Bar, 20 Beads) 

• Includes: Abacus ×1

• Structure: 2 rows × 10 beads (each row 5 red + 5 white), 20 beads total

• Design: Color grouping supports 5/10 number sense and quick subitizing

• Materials: Wooden frame with metal rods; smooth, rounded beads

• Skills: Counting to 20, addition/subtraction, number bonds to 5 & 10, doubles/near-doubles, skip counting by 5s

• Use Cases: Home learning, preschool/early elementary classroom, math center

• Age: 3+ (adult supervision recommended)