This EXPAND-A-KIT package when added to the base (pictured) provides enough material for one additional group of 4 students.

 

• 3 9-oz plastic cups
• 2 magnifying lenses
• 2 15-cm metric rulers
• 2 clear plastic tubes with caps
• 2 3x5 index cards
• 2 plastic teaspoons
• 1 sieve
• 1 50-mL graduated cylinder and base
• 1 30-mL graduated cup
• 1 AB tray