This font can be found under many different names from different foundries.
I list the family names/foundries - just for reference - but note that most of the following foundries are well known font forgery companies, so please be extra careful if you intend to acquire a valid license for a commercial project:

Capable - Copyright 1988-1999 IBS -Future Corporation
Catchup Medium - ©1995-2001 Arts & Letters Corporation
Catchup-NO - Copyright 1994 Bay Animation, Inc
Fingerpaint - Copyright (c) 2013 by Jerak Durzan
First Grader - WSI-FONT Collection [1992-1994]
JI-Lurers - ArtINeed.com [2001]
Jerry's Game 1 - Cambridge Fontworks
KAJAKA - COPYRIGHT 1997, ARC MEDIA INC.
KidType - Copyright SoftMaker Software GmbH 1995
KiddyDB - Copyright by Christine Mauerkirchner und Rainer Grunert
Kidney-Normal - Copyright by Classic Font Corporation, USA
Kids CE - Copyright (c) 1992 Corel Corporation
Kids Plain - Copyright (c) 1992 Corel Corporation
Kids Stuff 101 - Copyright 1988-1999 IBS -Future Corporation
Kids_PFL - ProFonts Library Ver.97 Copyright (c) ScanDer Ltd. Hungary 1993-1997
Kidstime - Copyright 1988-1999 IBS -Future Corporation
Kidz - WSI-Font Collection [1993]
Playful - Copyright 1994 Bay Animation, Inc. All Rights Reserved
Santa - Copyright 1998, Ken Kirkpatrick Software
Senfstreifen (Scharf) - Copyright by Data Becker, erstellt von J. Modis
TR Kids - FontShop by Sherlock
Teslic`sDocument - Copyright (C) 1993, Teslefantic
U4 Brothers 00171 - U4 Computer Group
VnKids - Generated by Fontographer 4.1
VnKids2 - Generated by Fontographer 4.1

If somebody can spot the original one, please enlighten us.