Have you checked out "Beyond Your Backdoor"? It's a nature store and a new division of Lesser Jewellers.
Paint a Bird Base
Includes one birdhouse, four paint pots and one paintbrush
Design and paint - no tools required
Takes about 30 minute + drying time
Can mix paint to make more colours.
Ages 3+ (with help)
Item number: 135BB TS-22915
Price: $30.98