Number Learning & Fine Motor Skill Development – This number lock set for kids combines fun with education! As a top-rated lock and key toy, it helps children master numbers for kids (1-10) through matching keys to locks (each marked with numbers and dots). It’s perfect for building fine motor skills and hand-eye coordination, making it ideal learning toys for 3 year old and learning toys for 4 year old kids, boys and girls alike. Authentic Montessori Learning Materials – Designed as montessori toys for 3 year old, montessori toys for 4 year old, and montessori toys for 3+ year old, this set follows the Montessori "learn through play" philosophy. It’s a staple preschool manipulative and math toy that fosters independent thinking, patience, and problem-solving—essential for montessori preschool and kindergarten math centers. Safe & Durable for Toddlers & Preschoolers – Crafted from non-toxic, smooth-edged materials, this lock key toy meets strict safety standards (key size >1.5cm to avoid choking risks). It’s suitable as lock and key toys for toddlers 1-3, 3 year old toys, 4 year old learning toys, and even fine motor skills toys for 5 year old children. A reliable choice for toddler educational toys 3-4 and preschool toys for classroom. Versatile for Home, School & Gifting – More than just a toy lock set! It’s a must-have preschool classroom must have (great for kindergarten centers and prek classroom essentials) and a fun family game for Parent-child time. As a top educational toy, it’s the perfect christmas gifts toys for kids 3 years, 3 year old gift boy/girl, 4 year old gift, and 5 year old gift for birthdays, holidays, and parties. Supports Special Learning Needs & Social Play – This autism learning materials friendly set doubles as preschool learning games and kindergarten learning games. It encourages solo play (building focus) or group play (boosting social skills), making it a versatile matching game for kids and learning games for 3+ year olds—ideal for classroom toys and home use Why Choose Our Number Lock Set? Our lock and key toy is more than just a plaything—it’s a powerful educational tool designed to grow with your child. Perfect for 3 year old montessori toys, 4 year old educational toys, and 5 year old math toys, it turns abstract number learning into a hands-on adventure. Each lock and key pair features clear numbers and corresponding dots, helping kids connect "how many" to "what number"—a core skill for preschool learning and kindergarten math manipulatives. Safety First We prioritize your child’s safety: our number lock set for kids is made from non-toxic, BPA-free plastic with smooth surfaces (no sharp edges). The keys are sized to prevent choking, making it safe for toddlers 1-3 and suitable as toddler counting toys. It’s rigorously tested to meet global toy safety standards, so you can trust it for daily play. Versatile Play & Learning Solo Play: Kids practice independent problem-solving as they match keys to locks, building patience and focus—great for 3 year old learning and 4 year old learning toys. Parent-Child Play: Turn it into a bonding activity! Ask questions like "Can you find the key for number 5?" to boost language skills and preschool learning activities. Classroom Use: A favorite preschool classroom toy and math buddy for teachers, it’s perfect for math centers kindergarten, small-group activities, or as manipulatives for elementary school. Ideal Gift for Every Occasion Looking for thoughtful gifts for kids? Our lock toys are the answer! They’re perfect christmas gifts toys for kids, 3 year old boy toy, 3 year old girl gift, 4 year old gifts boy/girl, and 5 year old gift ideas. Suitable for parties, holidays, or just because—they’ll keep kids engaged for hours while learning! What’s Included? Multiple lock-and-key pairs (varies by set) with numbered designs Easy-to-follow instructions for parents/teachers A storage bag for neat organization (some sets) Whether you need educational toys for 3 year old boys, educational girl toys, stem toys for 4+ year old, or preschool must haves, our number lock set for kids checks all the boxes. It’s the perfect blend of fun and learning—order yours today and watch your child’s number skills grow!