The Useless Box Kit - the silliest science kit we've ever fallen in love with.
Amaze everyone with how technology can do incredibly simple things.
Turn the Useless Box on, and it will turn itself off. That's all it does.
Oh, and it also makes cool people smile.
Brand Name: TONQUU
Battery: 2 x AA batteries(not included)
Dimensions: wood size: 15*9*7cm black size: 14*8*6cm