Children up to and including 11 years old enjoy free entry to Plopsa Indoor Hasselt from 3 days before until 3 days after their birthday (check opening times) on presentation of an official ID or birth certificate upon purchase of at least 1 other paying regular ticket ≥ 1m without discount at the Plopsa Indoor Hasselt ticket office. You can get your free birthday ticket at the reception desk at the park entrance.