two 4′ bamboo garden stakes (Choose stakes that are sturdy, straight, unsplintered, and uniform in thickness.)
five 10″×13″ Tyvek mailing envelopes (which are actually 10 1/4″ by 12 3/4″, excluding the flap)
a spool of kite string
clear packing tape
9′ of plastic caution tape
(optional) cotton string slightly heavier than kite string
(optional) a 1/2″ diameter split ring, such as the ring used on a keychain
(optional) a fishing swivel