features:1.novel And Practical Numbers Locks: The Front Side Of Counting Dots Locks Are Printed With Number, And The Back Are Printed With Matching Dots, And Each Lock Is Equipped With A Key, Easy For You To Open And Lock2.adorable Design With Bright Colors With Easy To Attract Students Or Pupils&39; Attention, They Will Learn To Lock Skills And Enjoy The Fun Of Unlock3.early Educational Toys: Numbers Digital Locks Are Funny And Easy To Play With, Each Number Lock Has A Corresponding Key, Convenient For Teens To Find And Learn The Number, They Will Achieve A Sense Of Achievement After Unlock And Re-lock This Matching Games Lock Key Set, They Could Have Fun For A Long Time, Learning While Playing, Also Is An Easy Way To Keep Them Away From Electronics4.skill Development: Learning Locks With Keys Toy Is A Nice Way To Teach Pupils To Learn Numbers, The Vivid Colors Will Develop Their Color Recognition Skills And Hands-on Skills, By Finding Matching Keys Will Also Improve Their Motor Skills And Exercise Their Thinks And Imaginations, Really A Useful And Meaningful Toy For Them5.utility Gifts: Counting Learning Lock Is Made From Plastic, With Paint, Durable And Light Weight, Which Is An Interesting Way To Learn Numbers, Ideal Gift Choice For Kindergarten Pupils On Birthday, New Year, Easter, Any Holiday, Clear Patterns Will Allow Them To Spend Hours Of Pleasurenotice:actual Color May Be Slightly Different From The Image Due To Different Monitor And Light Effectplease Allow 1-3cm Deviation Due To Manual Measurementdescription:material:pvc Size:lock:2.5x3.2inkey:2.9inincludes:1 Set X Alphanumeric Alphabet Learning Toy