Enclosure secure

Hi, i have little children who i very intrested of my 3d printer ;) so i decide to create a secure for my Ender 3 v3 SE to provide opening. To create srecure i used :hex screw m3 x2brass insert m3 x4wood screw x2 I Press insert 1 to the mount and 1 from bottom of the knob.Next used a nut to screw it through the knob.