Guidecraft Guidecraft Notch Blocks Set 89 Piece Set: Natural Wooden Stacking Blocks, Educational Montessori Toy for Kids, Indoor/Outdoor Block Play System

Indoor/outdoor block play system for ages 3+ Set includes 89 pieces of varying sizes: long and short straight pieces, rooftops, tunnels and more Notches lock together to allow for easy open-ended construction Material: FSC certified eucalyptus wood. Store in a cool, dry place Educational Focus: Promotes hand-eye coordination, problem solving, collaborative skills, basic motor and mathematical skills. 10 double-sided Concept Cards included