Sweet-sour Kabobs

• 36 meatballs
• 12 cherry tomatoes
• 4 green onions
• 1 green pepper
• 1 after seedin drain the pineapple (pieces)
• 1 tbls of soy sauce
• 700 gr beef (ground)
• 425 gr pineapple
• 16 ml soy sauce
• 10 ml vinegar