Social smile appears at around 6-8 weeks of age, so when baby is around 2 months old, she may smile back at a smiling face (or take a little longer to reach that milestone). The smiling expression of Elsie Elephant, combined with the jittery feature and crinkly ears help heighten baby's senses.
2-4 months Baby spends much time watching the toy dangling above her. She randomly reaches out with her hand, bats at the toy, causing it to swing and make pleasing sounds a captivating effect that encourages her to try again.
Babys grasp reflex disappears and her control of her hands improves, allowing her to reach out confidently to bat the toy and make the fun sounds