One tip for introducing scissors: Use play dough!

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Playdough Tool Kit,9 Pcs Basic Play Dough Tools Starter Set for Kids Includes Cutters Roller, Rolling Pins, Safety Scissors,Dough Extruder,Plastic Knife : Toys & Games

Levamdar Play Dough Tools Kit, 20pcs, Playdough Toys, Playdough Sets for Kids, Playdough Accessories, Molds for Play Dough

Wovilon 3Pcs Kids Plastic Toddler Scissors - Safety Scissors Training Kids Scissors Preschool Training Scissors & Craft Scissors (3 Pieces) Kids Paper Cuts