spend the whole week with his two best friends They would argue about what to do but each of them would take turns choosing And whatever it was it would definitely be adventurous So what do we do first Luis asked Go to the library for some old adventure videos Go to the museum so Tyler can see that new robot exhibit Or head to the junk shop for some weird gadgets for Casey to put together Tyler bent down and whispered something into Steel's pointed ears Luis had known right away when Tyler showed up at school last year that they would be friends Luis loved astronomy and Tyler had stars and planets painted on his crutches Tyler stood Pick him up He has a new command Steel pushed his head forward and stuck out a silver tongue and flicked it against Luis's cheek It's cold Luis said And stiff
Casey shoved her brother away Who cares about your old cat We have something more interesting to show you Luis She unzipped a pocket on her jacket Her gray jacket was covered with buttoned and zippered pockets that held tools she could use to take apart and build things It reminded Luis of a magician's suit full of surprises She reached into the pocket and said Hold out your hand Luis was never sure what to expect from Casey A key fell into his hand It was long and shone like real gold The top of the key looked like a tree with branches twisting around it Wow what is it Luis asked Tyler grabbed it from his Luis's hand We found it in Dad's office We think it's the key for your father's shed You swiped it Luis asked Casey put her hand over Luis's mouth Quiet We don't want your father to hear We
uh accidentally found it We were looking for this special tool Tyler uses on that cat of his This key was in a box under the little toolbox Luis had promised his dad a million times to stay away from the shed in the back field beyond the edge of their long backyard But sometimes when their fathers were working inside Luis and his friends would listen against the metal door They had heard strange noises and angry yells Once the whole building seemed to glow When they heard crackling electrical noises and what sounded like an explosion they ran away and didn't go back for a week Luis's dad walked into the hall his car keys jangling in his hand You kids have exciting plans for the week Yes Mr Sanchez Tyler said Very Luis's dad nodded Good I'm on my way to meet your father at the university library Luis if your mom calls ask her how Grandma is doing
and when she's coming home He peered over his glasses at them Stay away from the shed Luis groaned His dad told them that every single day They stood by the window and watched until he drove his car away Our dads will be gone all morning Tyler said It's the perfect chance to see what's going on in that shed Luis said But we're not allowed We won't touch anything Casey promised We just want to see what the big secret is inside Aren't you dying to know They've been working out there ever since that big crate came to your house Luis nodded Of course he was curious about it More than curious Maybe it wouldn't hurt if they just had a peek inside Come on Luis Casey pleaded An engineer and a science professor spend hours every day
