Onomatopoeic Game With Straws and Marbles

This page is the CodyCross answer for the clue below from Rainforest, Group 1210, Puzzle 2 (Poison Dart Frog).

Question is: Onomatopoeic Game With Straws and Marbles

and the answer is: KERPLUNK

Word Meaning:

KERPLUNK — (informal) A sound of someone or something falling and landing heavily.

Definitions from Wiktionary.