squirtable sidewalk chalk.

Squirtable sidewalk chalk makes this favorite summer classic extra messy..which to kids, means extra fun. From three pantry ingredients, the sidewalk/driveway can become a canvas. ("Once the kids have gotten their fill of painting with the chalk, hand over the bottle of vinegar to add a twist to the activity. The baking soda in the paints will react with the vinegar to create foam.")

squirtchalk1