BALSA WOOD sheets (approx size 50mm x 20mmto 30 x 450mm) varing sizesNEW RRP $16
For more info search balsa riley. BALSA WOOD 8 sheets 15" x 4" x 1/16" (375mm x 100mm x 1.5mm) NEW (#141529613278). There is another sizing available - anything up to 130mmx75mmx2000mm if required. A good price for the wood.