Children's electric domino train set, automatic laying and automatic stacking building block set - help children develop intelligence and enhance creativity! ! !

According to the child's spatial thinking ability, build the domino track you want.
The set has an automatic laying function, just put the plastic blocks into the cartridge, your domino blocks go into the holder and stay there until you release them when your train travels on the floor or table, leaving a perfect one Row of dominoes waiting to be knocked down

Specifications:
Train size: 16*10.5*7cm
Material: ABS plastic
Applicable age: three years old / children over three years old