Replace Battery in LEGO Dino Attack Light-Up T-Rex Head?

Bricks Asked by Alexander O'Mara on January 2, 2022

Is it possible to replace the battery of the LEGO Dino Attack T-Rex head?

T-Rex Head

There’s a button on the top of the head that makes the eyes and tongue light up red, presumably via a red LED.

There doesn’t seem to be any obvious way to take it apart like other light-up LEGO elements from the era. Is it possible to disassemble this element and replace the batteries?

One Answer

Unfortunately after attacking this piece from every angle with some plastic opening tools, I'm quite certain there is no non-destructive way to open this piece.

I tried slipping a spudger in every seam where the plastic joins and was unable to find anywhere I could get any leverage, or even push it in more than a few millimeters.

Even the jaw piece is held on by a cylinder of plastic running from cheek to cheek. There isn't a good way to photograph it, but here's an illustration to show you what I mean.

enter image description here

Based on this experience, I believe it is held together by single-use plastic clips that snap into place on the inside without any way to detach them, short of breaking them. I do not think it is glued together, because the two halves do shift a tiny amount under pressure, and some points were much more resistant to inserting a spudger than others (perhaps because a clip is in that area).

Answered by Alexander O'Mara on January 2, 2022

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