Crayola My First Bath Crayons Non-Toxic (5 Pack) - Walmart.com
Munchkin Bath, Foam Alphabet Letters and Numbers Set with Bath Crayons | eBay
Amazon.com: Honeysticks Bath Crayons for Toddlers & Kids - Handmade from Natural Beeswax for Non Toxic Bathtub Fun - Fragrance Free, Non-Irritating Bath Toys - Bright Colors and Easy to Hold -