Load your Add-stronauts into the spaceship before liftoff! Earn points by completing columns of Add-stronauts. Spin to select a sum, then use any combination of your available pieces to make the sum; stack your pieces in the vertical game board. Practice counting and addition as you add to 10; use strategic thinking skills to fill columns and earn the most points! Includes vertical game board with score tracker and sum randomizer; 40 Add-stronaut pieces; and guide. Total 43 pieces. Ages 5+.