material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat material Balsa 300/400mm long DIY wide 0.75/1/1.5/2/2.5/3/4/5/6/8/10mm airplane thick Wood for pcs ply Sheets 100mm model 5 boat