We use Krylon Plastic Spray to repaint a Little Tikes plastic picnic table. You could use this paint on all outdoor toys. See how we took it apart, cleaned, dried, and painted the table. It's still holding up well today -- 3 years later!
Outdoor Polly Products Standard Recycled Plastic Picnic Table - Single ADA Entry Brown Brown - ASM-SPTHA-02-BROWN FRAME-BROWN TOP