Microwaves are tricky beasts. It's a nuisance to check, reheat, check, reheat, etc., and over-nuking isn't the greatest outcome either. These heat-sensitive spoons respond to a tasty temperature of 120 F by changing colors. Just nuke, peek, mix, and enjoi!
Attention cooks on the go & cooks at the office! These 3 colorful spoons are meant for microwave meal preparations only. Plastic spoons change color at (120 F) when food is hot. Simply heat, stir & serve.
via red ferret