Battery Infos:
JV7016/3.7V lithium rechargeable battery
Products Feature :
1.Kids assembling toys intelligent building bricks Christmas gift bulk blocks.
2.It is the perfect idea for gifts, birthday presents, christmas gifts, etc.
3.Kids may also improve their cooperation and teamwork ability by putting the blocks together with their friends.
4.Non-toxic plastic material, so you can rest assured for your child to play our toy.