72 HOURS

1. A bike for a bike. A motorcycle swap will be held from 5 a.m. to 10

p.m. today in Building 10 at the Orange County Fairgrounds, 88 Fair

Drive, Costa Mesa. $7 for adults, $5 for children between 6 and 12. (949)

598-5122.

2. Roses need love too. Demonstrations of rose pruning techniques and

discussions on cultural needs for growing healthy roses will be held at

9:30 a.m. Saturday at Sherman Library & Gardens, 2647 E. Coast Highway,

Corona del Mar. The program is part of the Weekend Gardener Series. Free.

(949) 673-2261.

3. For those who aren’t such pros. Christo Lowe of Advanced Database

Systems will present FileMaker Pro Solutions from 8 a.m. to 1:30 p.m.

Saturday at Orange Coast College’s Chemistry Building, 2701 Fairview

Road, Costa Mesa. The event is sponsored by the Orange Apple Computer

Club. Free. (949) 770-1865.