Lagoa do Falcão is a sheltered freshwater lagoon just outside Campelos in Lisboa, Portugal, and the Escolas - 3 aos 5 anos program turns that calm setting into an energetic outdoor classroom for preschoolers. Designed for children aged three to five, the five-hour day mixes pedal go-karts, a pirate treasure hunt that uses a raft to reach a little island, traditional group games, trampoline jumping and an inflatable play area, all under continuous staff supervision. The lagoon’s shallow water, reed fringes and reflective surface create a small wetland where children can spot dragonflies and water birds while learning to balance, take turns and solve simple map-based puzzles. A wooden lake house provides a staged play kitchen and quiet space for role-play, while the kart track is earthen and low-impact, designed to build coordination without motors or loud engines. Program rules are straightforward: check in thirty minutes before the scheduled start, wear non-slip socks for trampoline and inflatable zones, and do not bring flip-flops, alcohol or nuts with shells into the park. Extras include optional adult companion tickets, additional meals and rental of non-slip socks; these logistical options make it simple for schools to adapt the day to group needs without complicated planning. Safety and developmental outcomes are emphasized: staff-led activities encourage teamwork, gross-motor skills and social-emotional growth while the park’s small scale keeps children within sightlines and reduces transition time between stations. The pirate treasure hunt is both a cultural nod and a playful narrative: staff recount a local pirate story as children decode map clues, sail a raft to the island and open a treasure chest, turning history into a tactile group challenge. Book this outing when visiting Campelos for a hands-on half-day that combines nature, structured play and safety-conscious supervision — it’s an efficient, memorable option for educators and families who want outdoor learning without complication. Practical travelers should note that meeting point details are provided at booking; parents should pack a spare set of clothes, sunscreen and a refillable water bottle, and label everything. The environment is exposed in places, so light sun protection and a hat are useful even on mild days. Staff can assist with basic first aid but long drives to medical centers can be expected from rural Campelos. Teachers booking multiple groups appreciate the flexible extras and clear exclusion list — no nuts with shells, no alcohol, and footwear rules keep activities safe — and the lagoon setting doubles as an informal nature study for local ecology, bird behavior and seasonal insect life, making wrap-up conversations easy and meaningful back in the classroom. For schools around Lisboa, Lagoa do Falcão offers an accessible, compact outdoor day that balances learning and joyful play safely.