|This article is about a/an toyline in Kamen Rider W.|
The W Form Change (Ｗ（ダブル）フォームチェンジシリーズ Daburu Fōmu Chenji Shirīzu, shortened as WFC) series is a toyline for Kamen Rider W that replicates Kamen Rider Double's form change abilities. Each of the first four Double figures splits into their left and right halves, which can be mixed and matched to create any of Double's standard forms.
List of figures
|WFC-01||Kamen Rider W CycloneJoker||N/A|
|WFC-02||Kamen Rider W HeatMetal||Metal Shaft (short and extended versions)|
|WFC-03||Kamen Rider W LunaTrigger||Trigger Magnum (Normal Mode and Maximum Mode)|
|WFC-04||Kamen Rider W FangJoker||Arm Saber; Shoulder Saber; Maximum Saber|
|WFC-05||Kamen Rider Accel (Rider form to Bike Form)||Engine Blade|
|WFC-06||Kamen Rider W CycloneJokerXtreme (CycloneJoker to CycloneJokerXtreme)||Prism Sword; Bicker Shield|
The line is also compatible with two DX sets:
- DX Revolgarry (includes Revolgarry, HardBoilder, Splasher attachment, Turbular attachment and Start Dash attachments; rear components can combine with Kamen Rider Accel Bike Form)
- DX Accel Gunner (includes Gunner A; can combine with Kamen Rider Accel Bike Form)
- AccelTrial was the only TV series form not released in this toyline.