Unload barrow on a checkout cage, top of checkout cage is a plank with holes on top with one hole for each size category (the bigger the more expensive) Pumpki

Unload barrow on a checkout cage, top of checkout cage is a plank with holes on top with one hole for each size category (the bigger the more expensive) Pumpkin falls on an Arduino controlled button, adds +1 on a price multiplier All pumpkins get unloaded on a checkout wheelbarrow for customer to load on their car. To open the cage and collect the checkout wheelbarrow you have to pay price is sum of multipliers times their respective base price. Unsold loaded checkout wheelbarrows in cages can be pushed by staff at the beginning of the queue with a "pay with credit card and leave in 30 seconds" sign, at a 10% premium.