6-Cell 7.2V 4200mAh NiMH Flat Battery Helicopters Take train play to new

Take train play to new levels

Children as young as 3 years old can now grab the controls and speed around this kid-friendly racetrack

Collectors of Breyer Traditional can also customize and "show" their models to win prizes

making it extra fun to hide and seek in this nearly five-foot-long tube

12+ months This shape sorter toy is full of fun activities

6-Cell 7.2V 4200mAh NiMH Flat Battery Helicopters Take train play to newNiMH Batteries Have A Different Chemistry Than NiCd Batteries So They Require Different Charging Methods (See COMMENTS). FEATURES: Pre assembled NiMH Sub C size cells for use with 1 10 scale R C vehicles Also great for electric airplane Offers 50%+ longer run times verses 2000mAh packs Great for endurance racing Higher average voltage means more power verses NiCd packs Ni MH cells have no discharge memory so there is no need to deep discharge them by