Round Iron Filings Bubble Pack of 10 Age 7-8 • Gas supply: Natural gas

• Gas supply: Natural gas or Propane (40 millibar max)

children can learn all about

This book is packed with 100 exciting playtime games

Players may need to go round the board more than once in order to complete the game

Round Iron Filings Bubble Pack of 10 Age 7-8 • Gas supply: Natural gasThe Iron filings bubble is suitable for more simple magnetic field plotting experiments in place of loose iron filings. It comprises a shallow, sealed, clear plastic vessel containing high quality fine iron filings. It can be used on an overhead projector for demonstrations. In use, the filings are distributed evenly over the base of the bubble by shaking or tapping. The bubble is then placed over the magnet and gently tapped to permit the filings to