This is a Playskool Nick Jr. Wonder Box, a preschool shape stacking and nesting toy. 

• The toy was released in 1995. 
• It is designed to help young children develop essential motor skills and cognitive abilities. 
• The goal of the toy is to take it apart and fit the pieces back together, working with shapes and colors. 
• The recommended age range for the toy is 3 years and up.