Picture book. BOARD BOOK. Count and slide with the fun vehicles. The built-in abacus in this cute and innovative counting book encourages sensory play and improves hand-eye coordination, while the playful rhyme promotes an early love of reading. It's the perfect gift to share with your little one and introduce them to early counting skills. *Built-in abacus with vehicle beads. *Introduces numbers one to five. *With adorable illustrations by Scott Barker.