This personalised red Lego Brick Style Money Box has the name ZACK already on it. 
If you buy more than one they do stack together like blocks do.

The top has a slot as photographed to put your coins or notes through, and when full or you want money from it it can be opened as photographed to retrieve the savings.
These are a fantastic way of learning your children, grandchildren etc to save and encourages them to do little jobs to get some pocket money.
Other colours and names listed if you'd like to take a look
Lego brick style money box approximate measurements are;
12cms x 10.5cms x 8cm