SoaPen makes hand washing fun and gives you the peace of mind that your kids' hand washing habits are well taken care of! Get your kids to wash their hands with our colorful (and stain-free) soap filled pen that they can draw with. The kids enjoy hand washing and you can check if they actually washed their hands by looking for leftover marks! SoaPen is non-toxic and free from SLS, parabens, EDTA, phthalates and any animal by product.