14.8V 450mAh 4S 30C LiPo Battery: IC2 Spektrum SPMX4504SIC2 DJI and our tried-and-true ball differential

and our tried-and-true ball differential

Watch marbles run down the crazy slopes and twisting turns

HO Built-Up Truss Bridge w/Blinking Light

On December 5

Fiber-Composite Chassis Impact-absorbing front and rear bumpers

14.8V 450mAh 4S 30C LiPo Battery: IC2 Spektrum SPMX4504SIC2 DJI and our tried-and-true ball differential14. 8V 450mAh 4S 30C LiPo Battery: IC2 Overview Key Features 30C continuous discharge rating to deliver high performance and longevity Protective outer metal alloy sheet helps dissipate heat, hold battery shape, and increase durability Small size fits perfectly in most 4S powered micro, flat foam aircraft and helicopters Factory installed IC2 connector Equipped with balancing lead that is compatible with most balancers and chargers Up to 5C charge