21 pieces. Material Acrylic. Front black, Back white. Some problems to solve. See below.PUZZLE 1- Use 21 pieces. Create a rectangle of 6x7 squares.PUZZLE 2- Use 21 pieces. Create a rectangle of 3x14 squares.PUZZLE 3- Use 20 pieces. Create a rectangle of 4x10 squares.PUZZLE 4- Use 18 pieces. Create a rectangle of 4x9 squares.PUZZLE 5- Use 20 pieces. Create 2 rectangles of 4x5 squares.PUZZLE 6- Use 18 pieces. Create a square of 6x6 squares.PUZZLE 7- Use 16 pieces. Create 2 s...
€20.00