Caillou Figure Tubes Caillou Farmer & Gilbert Combo is the perfect preschool toy. With bright colors, it contains 5 interchangeable pieces that will help the mechanical development of your child while stimulating the imagination and creativity. Improve sociability and language. For boys and girls. 1+ Caillou is a preschooler who delights in the small wonders of the world around him, embellishing everything he sees with his rich imagination. With a focus on role-playing and make-believe Caillou toys and games help spruce up reality with a healthy dose of imagination so your kids will be inspired to make up adventures of their own.