Cat Midi Hama Pegboard. Cat board for Midi Hama Beads. Midi beads are 5mm in size and not suitable for children under age 5. Hama Bead templates make excellent activities for kids. The shapes are re usable and are often of a size which can be completed easily. The animal shapes are fabulous for project work and can be play pieces, or pictures for walls, card fronts and mobiles. Pictures show design created on a pegboard with Hama Beads. Beads are not included with this purchase which is for pegboard only.