The simplest option: tap a contactless bank card on the tram or bus. A 90-minute ticket (zones AB) is €2.80 and a 24-hour ticket €8.00 (2026). Ordinary season tickets need a Nysse travel card.
www.nysse.fiCovers the rides at Särkänniemi (€52 at the gate, cheaper online); the aquarium and planetarium are €11.90 each. Only worth it on a summer day spent mostly at the park.
sarkanniemi.fi