Arco 'Rogun Robots' Set #7018

Made in 1984
Made of Soft Plastic - 39-50mm Tall - Marked 'Hong Kong'

Gumball Machine Giant Robot Transforming Toys

Made of Hard Plastic - 50 -55 -35mmTall (Robot Form) - Unmarked

Viking Mecha

Made in China
Made of Hard Plastic with Magnetic Joints - 130mm Tall - Unmarked

Neon Mecha

Made of Soft Plastic - 40-45mm Tall - Marked 'Rigo China'

Risk 2210 AD - Game Pieces

Made by Avalon Hill / Hasbro - Made of Hade Plastic.

1.0 Mod
Marked 'A18" - 17 mm Tall

3.0 Mod
Unmarked - 20mm Tall

5.0 Mod
Unmarked - 23mm Tall

Space Station
Marked '4' - 14mm Tall

Land Commander
Marked '4' - 34mm Tall

Naval Commander
Marked '4' - 33mm Tall

Nuclear Commander
Marked '4' - 30mm Tall

Space Commander
Marked '3' - 38mm Tall

Diplomat Commander
Marked '4' - 32mm Tall

These are the colors they come in.

Japan Tsunami Relief - Voltron USB

Made by Incubot Productions

Made of Rubbery Plastic - 93mm Tall - Unmarked

Yellow Robot - Mecha Monster

Made of Soft Plastic - 65mm Tall - Depending on how you position it, it's marked '6' or '9'

Transforming Scorpion Mecha

Made of Hard Plastic 80mm Tall - No Markings

Transforming Plane Mecha

Made of Hard Plastic - 95mm Tall - Unmarked

Little Blue Robot

Unsure what he is from - possibly one of the Bandai Micro Playsets?
Made of Soft Plastic - 30mm Tall - No Markings

Robotech Mechs from Playmates Toys

Made of Soft and Hard Plastics - Avg. 90mm Tall - Marked - '©1999 ©HGUSA / TATSUNOKO Playmates Toys'

Mecha Robo Space Fighting Force

Made of Soft Plastic - Made in Hong Kong

Transport Vehicle 95mm Long

Tanks 40 + 45mm Long

Helicopter 65mm Long

Astro Attack Ship 70mm Wide

Mechas are 55mm on Average