Art Blocks for Tots: Preschoolers 3-5. 10am-11am. Penrith Regional Gallery & The Lewers Bequest, Emu Plains.
Contact: 4735 1100.
On The Prowl The Legends Of Ol'55: Frankie J Holden and Wilbur Wilde are back. St Marys Rugby League Club. Tickets are available from reception for $20. Doors open 7.30pm.
Contact: 9677 7720 or stmarysleagues
Lap the Lake Marathon: Start time 7am. Four separate races: five-kilometre, 10-kilometre, half marathon and full marathon. Regatta Centre.
Contact: 4730 0000 or regattacentre
The McClymonts: Doors open 7.30pm. Panthers, Mulgoa Road, Penrith.
Contact: 1800 061 991 penrith.panthers
Sailability Come'n'Try Day: Noon-4pm. Bookings essential. Regatta Centre.
Contact: 0402 538 456 or sailabilitypenrith
Rotary Market: Ropes Crossing, 9am-2pm. Corner of Pulley Drive and Forrester Road, St Marys.
Contact: 0408 365 369 or rotarystmarys
Luddenham Country Fair Markets: 8.30am-2pm. Stalls and entertainment vary monthly. Hubertus Country Club, 205 Adams Road (enter from Elizabeth Drive), Luddenham.
Contact: 4773 4444 or hubertuscountry
Model Park Open Day: 9am-5pm. Run by the Sydney Society of Model Engineers. Trains, planes, boats, cars in action. Kiosk. $15 a car, 869 Luddenham Road, Luddenham.
Contact: 4736 2803 or ssme.org.au.
Open gardens: At 228A Singles Ridge Road, Yellow Rock; 2 Marau Place, Yellow Rock (corner of Singles Ridge and Yellow Rock roads); 35 Purvines Road, Yellow Rock, 10am-4pm, $3 per garden or $10 for all three. Proceeds to The Royal Institute for Deaf and Blind Children, which has a school at Glenmore Park catering for children from birth to school age with vision or hearing impairment.