In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

Challenge your preschooler to a game of shape match-up--an entertaining way to boost her observational ability.

Help your child learn science and math skills like sorting, sequencing, and ordering while taking a nature walk and collecting and collaging leaves.