Energon

General Information:
Release Year: November 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $9.99 (Depending on Retailer)
Transformation Difficulty Level: 3
Accessories: None

General Information:
Release Year: February 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $9.99 (Depending on Retailer)
Transformation Difficulty Level: 3
Accessories: Missiles x 2

General Information:
Release Year: February 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $6.99 (Depending on Retailer)
Transformation Difficulty Level: 2
Accessories: None

General Information:
Release Year: November 2003
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $25.99 (Depending on Retailer)
Transformation Difficulty Level: 4`
Accessories: Missiles x 2, Ramjet Mini-Con

General Information:
Release Year: October 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $9.99 (Depending on Retailer)
Accessories: Missile

General Information:
Release Year: July 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $6.99 (Depending on Retailer)
Transformation Difficulty Level: 2
Accessories: Crane/axe handle, Energon Chip, Axe Blades x 2

General Information:
Release Date: February 2005
Price Point: $9.99 (Depending on retailer)
Retailer: General Release (Wal-Mart, Target, Toys R Us etc.)
Accessories: Missile x 1, Crane/missile launcher

General Information:
Release Year: July 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $49.99 (Depending on Retailer)
Transformation Difficulty Level: 4
Accessories: Missiles x 2, Head/Figure

General Information:
Release Year: December 2003
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $29.99 (Depending on Retailer)
Transformation Difficulty Level: 4
Accessories: Missiles x 2

Sounds:

General Information:
Release Year: February 2004
Retailer: General Release (Toys 'R' Us, Kay Bee, Wal-Mart etc.)
Price: $9.99 (Depending on Retailer)
Transformation Difficulty Level: 3
Accessories: Missile x 1, Missile launcher