These are sturdy chipboard blocks your child will enjoy. Each block features a different animal illustration by Eric Carle. The set comes with ten blocks in different sizes that are easy for small hands to manipulate. The blocks feature a number, a tactile panel, a movable part, or a rattle. They can be used for nesting, stacking and for teaching counting skills. This is an excellent activity for parent-child interaction, and to help develop motor skills.