Here`s the thing you might get after going thru the rest of the instructable.
Step 1: Getting the supplies
1 x NE555 Timer
2 x 10k Resistances
1 x 100uF Electrolytic Capacitor (25V)
1 x 10uF Electrolytic Capacitor (25V)
1 x 9V Battery / 3 x CR2032 Li-ion
1 x Through hole board
1 x 9V Battery connector
1 x IC Base (8 pin)
1 x Push Switch ( to avoid ur heart beats in front of everyone:D)
20 x "identical" Red LED ( Identical is the catch in here.. as if they are sourced differently u might end up having uneven brightness..which will be disappointing)
Wires as required..( it goes to like " Salt to taste")\
And lastly "Spare Time"
Other Things that might be available at hobbyists are:
soldering Iron, Solder, Flux, Tweezers, wire cutters, Helping Hands ( Clamp tool)and hot glue gun.