These are a great investment because they grow with your child and help teach cause and effect and language, says Meghan Corridan, a pediatric occupational therapist in New York City. "When they are beginning to just sit up, you can support them between your legs or put them in a Bumbo chair. As they become more independent in their movements, they may use this to pull themselves up to play with the toys and begin to stand with support from the toy." Try this one by B. Zany Zoo.
To buy: B. Zany Zoo, $77