🌈 Wooden Rainbow Stacking Blocks 📍4 sets available, buy one get one free! 📍gently used condition, durable 📍some wear on corners of blocks (see photos) 📍features 25 suggested builds to follow or create your own 📍from beginner to advanced skill level 📍encourage critical thinking, problem Solving, concentration, memory, hand eye coordination, color perception 📍smoke free home Parents, teachers, critical thinking, problem solving, puzzles, color, wooden blocks, blocks, grandparents, educators, concentration, memory, hand eye coordination