The beginner battler kit contains:
• One iron lance
• Two phials of Oomph powder
(These items can also be obtained by playing the game.
They can be obtained in both DRAGON QUEST I and II.
DRAGON QUEST I: Open the chest inside the inn in Tantegel.
DRAGON QUEST II: Open the chest inside the inn in Midenhall.)

More details on the official game page of Beginner Battler Kit ...