# 29.1: Materials


• 2 Large Iron Nails (such as 10d 3")
• 2 Large Iron Bolts or Screws (same diameter and length as nail)
• Insulated Conducting Wire (small gauge 20-28 AWG)
• 2 12-inch lengths

• 2 24-inch lengths

• 2 D Size Batteries
• Electrical Tape
• 1 Container of Iron Filings
• 1 Piece of White Paper
• 1 Box Small Paperclips
• Wire Strippers