A resin alphabet and number set can be used to: - Teach your little ones their ABCs - Learn and practice spelling - Fun in sensory bins - Use in play doh - Help your little ones learn to count - Teach number recognition - Addition and subtraction And so many more fun activities! Adult supervision is recommended for children under 3. The resin used is non-toxic and food safe. Clean with mild soap and warm water. No dishwasher.