Construction / Mechanical Kits

If so, and you're over 14, UGEARS®, the mad mechanical model maker, invites you to assemble this 400-piece chain-hoist marble run kit. If (okay, when) you succeed, the result will measure approx 10-1/2” x 12” x 10-1/2”. Box says it...

OK, it comes with gumballs, but they're food no matter what your mother says. You'll need them to fill this 17” tall gumball machine that you build from a (55)-piece kit. A Parents' Choice Silver Award winner, this kit teaches you physics while...

Leave the glue in the drawer because these UGears® STEM laser-cut plywood mechanical model kits don’t need any. They’re fun to build, and they’ll teach you something when you’re done. You pick: the...

The secret is in the gears. This 185-piece kit from UGEARS® assembles in 2-3 hours without glue or tools, and results in an 8-compartment box. Opening the lid activates (3) main blocks to the side and front. A third block moves a lower drawer with...

The UGears Hurdy Gurdy is an instrument quite unlike any other. It comes as a kit with everything needed for assembly. Since the parts fully interlock, no glue is required, so simply follow the instruction manual to remove the pre-cut pieces from their...

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...

Electronic fun is easy with this Elenco Stem Arcade kit from the award-winning Snap Circuits® line. Includes 30 snap modules and makes (203) sound-, light- and motion-related projects, and includes, along with a lot of other sub-circuits, a...

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...