Each group needs:

• modeling clay, for wight; alternatively use washers or pennies
• cellophane or masking tape
• 1 pair of scissors
• Drag Shapes Handout, one per group
• What a Drag! Worksheet, one per student
• 1 stopwatch or a watch with a second hand
• 1 meter stick for all groups to share
• 1 balance; share among teams as necessary