Mike Spoor

Newts, Lutes and Bandicoots

Mark Carthew y Mike Spoor

Pressing Down: The Lever

Gerry Bailey y Mike Spoor

Sloping Up and Down: The Ramp

Felicia Law, Gerry Bailey, et al.

Rolling Along: Wheels and Axles

Gerry Bailey y Mike Spoor

Pulling Up: The Pulley

Gerry Bailey y Mike Spoor

Winding Around: The Screw

Gerry Bailey y Mike Spoor

Splitting Apart: The Wedge

Gerry Bailey y Mike Spoor

Witches' Britches, Itches & Twitches!

Mark Carthew y Mike Spoor