"Grandad was good, these were our pebbles." With sweets stuffed in their pockets, a boy and his grandad take the trip down to the beach: through the wonky woods, across the railway track - stopping for a chat with the spotty dogs! - over the stile, and there ... peeking out beyond the dunes, the sea and "their" beach. They pick pebbles, wash them clean in the waves and paint their