gzumwalt

My basement in Oklahoma, US Joined February 1st, 2017
233 Instructables 1,840,490 Views 1,251 Comments 1,675 Followers

Our grandkids keep me busy!

gzumwalt's Instructables

Executive Desktop Toy 2

Executive Desk Toy

Marblevator, My Fastest Yet.

Marblevator, Take the Stairs!

Two Bar Vertical Lift, Water Feature.

Two Bar Vertical Lift

Happy Valentines Day 2025!

Marblevator, Marbles Go Round or Back and Forth?

Marblevator, Rotary Wave.

Hula Hooper