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Fun at the Fair (Smart NFC Ticket Counter & Currency Stall)

Source:

Set up a funfair stall (Giant Wheel ₹20, Toy Train ₹30, Ring Toss ₹10). Children tap NFC-tagged currency notes on a smart ticket counter terminal to pay for rides and receive change audio alerts.

Categorisation

Props & Materials Required

  • •Play Indian currency notes (₹10, ₹20, ₹50, ₹100) with NFC tags
  • •Fair ride ticket cards with NFC tags
  • •ESP32 controller board
  • •PN532 NFC reader module
  • •DFPlayer Mini MP3 module + 3W speaker
  • •0.96-inch OLED display (shows ticket bill & balance)

Step-by-Step Instructions

1

Buy Ride Tickets

Tap 'Giant Wheel' (₹20) and 'Toy Train' (₹30) ride cards on the terminal. Speaker announces: 'Total fair tickets cost ₹50!'

2

Pay with Currency Note

Tap a ₹100 play currency note on the payment pad.

3

Calculate & Receive Change

Speaker announces: 'Paid ₹100! Your change is ₹50! Collect your 50 rupee note!' OLED shows mini receipt.

4

Fair Stall Manager Role-Play

Child takes turns being the stall owner scanning tickets and customer making payments.

Why It Works & Notes

Money math becomes intuitive when framing operations around a carnival or funfair theme. NFC payment simulation helps children practice 2-digit currency addition and change calculation hands-on.