Here is a list of items from the box of equipment you received. The cost of all these items was approximately $40 total.
1 dozen cheese balls Wal-Mart (WM)
1 Deck of cards 0.77 at Dollar General
1 roll of string $3.00 / 300 ft at hardware store, make sure it is
weak enough, the kite string from Wal-mart at 0.77 works, but is
kinda hard for third graders.
10 pieces of paper houses Scrap paper
1 Bag of marbles $1.97 from WM
2 Flowered cups 88 ¢ from WM
1 Box paper clips 50 ¢ from WM
1 dozen straws $1.00 / 75 from any grocery or WM
1 ruler 50 ¢ from Dollar General
6 paper cups Bottled water company, approximately 1 ¢ each
2 ping pong balls $1.28 / package of 6 from WM
1 can chicken broth 77 ¢ from grocery
1 can chili 58 ¢ from grocery
Disks, Hoops and Rods
We got all this stuff at a salvage yard for about 30 ¢ a pound. The machine shop students cut it up for us.Make sure you get stainless steel for the rolling parts. Rust renders them pretty useless.
1 small disk Make sure you get stainless or aluminum
1 large disk Rust renders them useless (too much friction)
1 small ring Get it at a salvage yard
1 large ring Get it all cut up at ??
1 12" metal rod same as above
1 12" wooden rod 3 ft / $3 at WM or building supply
1 cigarette lighter $1.97 for 6 at WM
2 styrofoam cups (4) 97 ¢ for 75 at WM
3 clear plastic cups 1.12 for 20 at WM
4 plastic pipettes 100 for $12.45 from Frey Scientific
4 brass nuts 10 ¢ each from hardware store
1 acrylic rod (pseudo glass) $24 for 8 ft rod from Industrial Supply
Store
1 Polymar rod (pseudo rubber) $8 for 8 ft rod from Industrial Supply
Store
2 bulb holders $3.95 / 6 from Frey Scientific, better ones for 5.95
from Delta Education
2 round bulbs #14 $3.50 / pkg of 10 from Delta Education
2 long bulbs #48 $3.50 /pkg of 10 from Delta Education
4 lead wires w/alligator clipsMarine Wire 18 ga- $2.34 / 40 ft from
WM, Alligator clips: item # 270-347B from Radio Shack $2.50 / 10
pack
1 5 ft piece of lead wire Wire from WM
2 batteries $1 each from WM
1 battery holder $1.59 each, item # 270-386A from WM
1 compass $3.96 from WM, in sporting goods section
1 magnet$25/ pkg of 10 from Edmund Industrial Optics item #
L31882
4 nails 97 ¢ / 100 from WM
1 piece of silk $3.00 / yard at WM
1 piece of wool $3.00 / yard at WM
10 reflex testers: Free, we just xerox'd them.