MUD STICK
Easy to use. Non toxic. Water soluble - can be wiped off with a damp cloth.
Use this crayon-like stick to simply "paint" mud onto your Pinewood Derby car.
Add mud to your wheels too.
Also works great on plastic models, trains and so on.
Mud Stick $4.95 Order Mud Sticks
Mud Stick $4.95
Order Mud Sticks