Lighted batman painting.
Mini Batman Bat-Signal... cute night light for the superhero temed room :) @Julie Forrest Forrest Forrest Mead
I openly admit I'm a dork, i would love this as the garage light switch. Bat Man Light Covers by NerdyRobots on Etsy, $6.00
BOYS BEDS - UNIQUE CUSTOM THEMED KIDS PLAYHOSUE BEDS - BEST PRICES ON THE MARKET
Minus the candles on bed lol. Very cute tho
Use the Dr.Seuss quotation for a world map and get the boys to stamp the places they have been/make it magnetic and have little magnetic markers
Your kid will think you're a superhero when you're finished.
How to build a simple, adaptable indoor climbing wall.
Amazing Superhero Handprint Crafts for Kids (Ninja turtles, spiderman, captain america, batman and more!) - Crafty Morning
A toddler chalkboard wall and reading corner