The Problem Solver Play Kit
$144.00 $43.20
Build stronger math and collaboration skills with fun ways to count, compare, and experiment.
Included Play Guide with essential ways to play & tips.
- Estimated Delivery : Up to 7 business days
- Free Shipping & Returns : On all orders
Inside the Play Kit

Turtle Hatch Game
Practice taking turns with a fun and collaborative board game.

Montessori Math Bars & Number Tiles
Build math fundamentals visually with concrete objects to count, line up, and compare.

Number Sense Nature Counters
Learn to count with 55 counters in 10 animal and nature characters.

Size It Up Measuring Tape
Made just for them with a soft pull tab and exposure to both cm and in.

Wooden Wobble Puzzle
Solve a STEM puzzle in three dimensions.

Liquid Color Lab
Experiment with self-directed color blending with 6 test tubes, 2 water droppers, a bamboo towel set, and plenty of color tablets.

‘Uncle Rob’s Pizza Party’ Book
A story featuring a loved one with a disability to help your child understand differences.

Get Started Guide
Visual instructions for the Montessori Math Bars & Number Tiles and Number Sense Nature Counters for your independent 3-year-old.

Easy-to-follow tips
Essential guidance about your child’s development, fun ways to play, and DIY activity ideas by age.

Even more ways to play
Get weekly updates on skills your child is ready for, plus ways to play that age-up with your child in The App.

Play Kit subscribers get the best
Exclusive early access
Get the newest products before everyone else—and before they sell out
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Get discounts on fan-favorite books, retired items, refills, and lost part replacements
Tools to make parenting easier
Get weekly developmental insights, dozens of ways to play with each Play Kit, and easy DIY activities



















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