Metallic foil board pre-cut into cracker blanks. Simply push out the diamond pieces, roll up into a tube, insert the tabs, tie on some ribbon and that's it. Contains 12 boards. All you need extra is a cracker making accessory pack, prize or toy and Christmas or occasion embellishments if required. The overall length of the flat cracker blank is 356mm, when assembled approx. 276mm x 50mm dia. The central barrel length is 96mm.