Resources: Selection of different coins, Hard surface (e.g. stone or tiled floor)1Calibration – With your eyes closed have each coin named and then dropped onto the hard surface. Listen to each coin.
2Test & Evaluate – Keeping your eyes closed, drop each coin and this time identify the coins by sound only. Repeat Calibration and Test until 100% success rate.
3 Enhance – Do the same technique but facing away from the coins. Try dropping multiple coins and identifying all of them.