Changes

(10) 1 inch PVC pipes cut to 18 inches;(10) 1 inch PVC joint connectors (to connect the ends of the PVC pipes);(6) 1 1/2 inch PVC pipes cut to 18 inches and then cut across the diameter to create "gutters.";(18) 4 foot marking sticks or 1/2 inch dowel rods;(2) rolls of packing tape - not duct tape!;(10) 4 foot foam noodles;(2) 40 foot rope perimeters.;(2) buckets;(1) marble;(?) enough spot markers for each participant.