Construction / Mechanical Kits

This 79-piece Roller Coaster construction kit features (40) challenges with (4) degrees of difficulty, and has, the manufacturer says, “more than 100,000 unique building possibilities,” which ought to tie up the little buggers for a while...

Who’s Metal Model From Metal Earth®, the people who make shiny metal 3D models, now comes the Doctor Who® T.A.R.D.I.S.™, Star Wars® Imperial Star Destroyer™, an Ghost Busters® Ecto I™ metal models. All punch-outs...

Build yourself a kid with a career in electronics. Start with this Snap Circuits® Motion kit with over (50) parts and instructions for (165) projects, including a mini-car, crawler, motion detector, tilt sensor and others. You add (4) "AA"...

Right after you build your own working medieval catapult or trebuchet. All you’ll need is glue, scissors and a steady hand (plus a small bag of marbles or rocks or something as a counterweight for the trebuchet) to construct...