We ran the numbers: You could spend $1,000 on a crib and $500 on a mattress only to move your little beanstalk into a toddler bed before he’s 3.

Or you could take that $1,500 and spend it on Table Tots, a convertible, boothlike activity table that goes from scribble space to homework station in seconds.

The first piece of children’s furniture from Brooklyn-based design studio CounterEvolution comfortably entertains little ones from 18 months to 6 years old when it’s upright. Flip it on its side and remove the tabletop, and you’ve got a sturdy desk that will last far beyond elementary school.

In terms of sustainability, Table Tots hits the jackpot. It’s handcrafted from heart pinewood salvaged from old bowling lanes and coated in an earth-friendly, zero-VOC stain that’s nontoxic and scratch resistant. Plus, its sleek lines mesh with grown-up decor, so you can repurpose the piece (media stand, bookcase, side table) once its child-rearing days are over.

We’d bet the house on it.

Available online at counterev.com.

PERUSE
Back-to-School Trunk Show
What: Take 15-20 percent off See Kai Run, Stun, and other favorites (reg. $21-$68).
Why: Suit her up in togs from local lines Wonderboy and Mulberribush, and she’ll be the best dressed kid in town.
When: Wed., 5-8 p.m.
Where: Fiona’s Childrenswear, The Piazza at Schmidts, 1050 N. Hancock St., ste. 80 (941-400-0732).

LISTEN
Story Time at the Morris Arboretum
What: Flop down on the grass and hear Springfield librarians read a few tales.
Why: Soak up every last bit of summer.
When: Wed., 10:30 a.m.
Where: 100 E. Northwestern Ave., in front of Widener Hall (215-247-5777). Adults, $16; children, $7; under 3, free.

SHOP
Back-to-School Balloon Party
What: Treat your scholar to a pair of shoes from Kors Kids, Stuart Weitzman, and more at the fundraiser for AMFAR.
Why: Balloon twisters and snacks keep them busy while you comb the floor.
When: Thurs., noon-2 p.m.
Where: Bloomingdale’s, The Court at King of Prussia, 660 W. DeKalb Pike, King of Prussia (610-337-6300).

Photo: Courtesy of CounterEvolution