Give a little kid a full glass of grape juice, and you’ll be wiping up one heck of a spill. But there’s a cup that claims it will keep that from happening. We put the Wow Cup to the test on Does It Work Wednesday.
It claims the secret is auto-sealing technology that allows liquid to flow only when you drink. Once you stop it forms a watertight seal. It’s recommended for ages 12 months and up.