I don't know what's wrong with these boxes but my 3 year old son loves them. We have to pack boxes several times a day because he is always building towers. Once I figure it out, it's pretty easy to do. But for some it was almost impossible to do so. My son steps on them and they hold up very well. I have no regrets that I bought the boxes as a gift.
ZMLM Baby Tummy-Time Water Mat: Interactive Inflatable Sensory Playmat for 3-9 Month Newborns - Fun Activity Toy Gift for Boys and Girls
8 Review
πͺ Step2 Play Ball Fun Climber: Slide for Toddlers & Interactive Ball Play
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πΆ Tummy Time Water Play Mat for Babies - Inflatable Toy Activity Center for Infant & Toddlers (26'' x 20'') - BPA Free - Suitable for Newborn Boys and Girls (3, 6, 9 Months)
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π Enhancing Physical Development and Sensory Stimulation: Early Learning Centre Blossom Farm Playmat & Arch - Amazon Exclusive
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π¦ Fisher-Price Fitness Fun Folding Jumperoo: Gym-Themed Infant Activity Center with Adjustable Bouncing Seat, Lights, Music, and Interactive Toys
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Fisher Price FWY41 Animal Wonders Jumperoo
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Bright Starts Tummy Time Prop & Play Baby Activity Mat With Support Pillow & Taggies - Unicorn 36 X 32.5 In, Age Newborn+
16 Review