When your baby becomes a toddler the NUK First Choice Training Bottle helps with changing over to drinking independently. To satisfy thirsty night-time sippers NUK has developed the NUK Glow in the Dark Training Bottle with handles that illuminate at night. Simply place the NUK Learner Bottle with Glow-in-the-Dark Effect under a lamp or in sunlight during the day and the special material will store the energy and emit it as a soft glow for up to 8 hours making it easy to find in the middle of the night. The soft silicone spout is spill-proof and the handles are ergonomically designed for little hands. The NUK First Choice Learner Bottle with Temperature Control Indicators helps with changing over to independent drinking. NUK First Choice Learner Bottle with Temperature Control Indicator shows at a glance when the right drinking temperature is reached and gives the assurance that the drink is not too hot. If the drink is too hot, the normally blue indicator turns white. The NUK First Choice Learner Bottle has a soft silicone spout which is pleasantly soft and spill-proof. The integrated NUK Air System equalizes the pressure in the bottle and helps reduce colic as less air is swallowed. The clear silicone material is easy to clean and is particularly heat-resistant. It is free from harmful substances, boil-proof, odorless, transparent, and has a smooth surface The 150ml bottle has an extra-wide opening, screw ring, closing disc, and protective cap. All the components are easy to remove from the bottle - ideal for cleaning and preparing food. The NUK First Choice Learner Bottle is compatible with all other products in the NUK First Choice range.