Bip, Bop, and Boo Get Ready for School: 1, 2, 3 is a first-level number activity playbook designed to support a child's learning through the first steps of math development. Join the Get Ready for School gang — Bip, Bop, and Boo — as they count from 1 to 10 through fun, themed activities and games featuring pirate treasure, spaceships, toys, sea creatures, and more in this fun new format for children 3 to 5 years old.