Once you press the ON switch， the box will open and turn itself off， this one comes in as you can see in the picture; Set it on your coffee table or desk and wait for curiosity as it turns on;
Each to be met with the little finger turning the box back off;
Useless box kit;
The silliest science kit you've never seen;
A totally useless box that provides endless fun! Every time you flip the switch on the useless Box， a little finger pops out and turns itself off!
Requires 2 x AAA batteries (not included).
Dimensions: 3.27 in x 2.76 in x 1.97 in (8.3 cm x 7.0 cm x 5.0 cm) Weight: 2.82 oz (80 g)