A fun way to encourage development of your child's analytical ability, design capability, creative talents, pride in accomplishment, and individual thinking. This package contains .5 board foot (72 cubic inches) of random sizes and shapes. WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood. Made in USA.