gzumwalt

My basement in Oklahoma, US Joined February 1st, 2017
235 Instructables 1,848,234 Views 1,255 Comments 1,679 Followers

Our grandkids keep me busy!

gzumwalt's Instructables

Marblevator, Buckets.

Marblevator, Striker

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?