building material calculation

Brickcraft Sanrio Hello Kitty Convertible Building Set - 294-Piece Kit - 72136

Fun Little Toys FunBrix 12 Pcs Mini Animal Building Bricks, Building Blocks Set, Party Favors & Prizes for Boys & Girls

PICASSO-TILES 116pc Hedgehog Building Blocks Construction Toy Set for Kids with Interlocking Tiles Idea Book 4 Action Figure Characters, STEM Playset

Brickcraft The Grinch Grinchmas Eve Building Set - 547-Piece Set - 72367