PILU Land is a fun playground near Mt Pilatus with a dragon theme. Kids can have a blast exploring the Dragon castle, woods, and land, while parents can relax at the picnic sites and grilling areas.
You can reach this playground with the Pilatus gondola from Kriens. Parking: Schlossweg 1, 6010 Kriens / bus stop: Kriens, Pilatus-Bahnen
Most families stop at this playground after visiting Mt Pilatus. So you would probably get a round trip cable car ticket to Pilatus Kulm and start by visiting the mountain viewpoint.
On the way back down, get off the gondola at the Krienseregg stop, the last one before you reach the bottom.
Learn more about visiting Pilatus.