PERLER- Perler Fun Fusion Pegboards. These large clear interlocking square peg boards are designed for use with Perler Beads and can be joined together in multiples to create larger designs. This package includes four 5-3/4x5-3/4 inch interlocking and reusable pegboards; reusable ironing paper; and instructions. Recommended for ages 6 and up. Imported.