Jumbo Nuts and Bolts Toys 52Psc for Toddlers Preschoolers Kids, STEM Educational Montessori Building Construction Screw Matching Activities for 3,4,5 Year Old Boy and Girl.

STEM&MONTESSORI EDUCATIONE: Build fine motor skills toy Improves Memory, Concentration, Manual Dexterity, hand-eye coordination, color recognition, pairing, shape sorting, increases attention and focus. Improve motion control, visual perception, cognitive thinking and problem-solving skills.
CREATIVE LEARNING: Games for preschoolers, counting, sorting and kids matching game activities. Not every nut and bolt can match each other, breaking the traditional thinking. 52PCS in total, 4 colors, 4 shapes and 4 sizes.
WIDELY USE: This is a great interactive toy from toddlers to elderly people who need finger exercises. It's also an occupational therapy toy for autism children, Parkinson's and Alzheimer's disease.
PERFECT GIFT: These colorful sensory toys are the perfect gift for every little kid, regardless of gender! these toys are simple to wash and clean up, you can even use them as bathroom toys.
SAFE: safe toddler toys made from non-toxic ABS material, NO BPA and Phthalates, Non-Toxic, Lead-Free. Big enough, not worry swallowed by babies, suit for any age kids!!

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