Simply push out the diamond pieces, roll up into a tube, insert the tabs, tie on some ribbon or raffia and that's it.  Ideal for weddings, parties, etc.  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. Sold by Prestigelighting.