Lionel, Lionel-Porter, Porter and Skil-Craft Science Sets – “*” indicates duplicate numbers on different sets
Click to view specific Science Set
0
1*
1
2*
2
2
3
CL-11
15
CL-44
CL55
110
140
160
162
170
175
205*
205
208
210
215
216
217
217*
222
250
251
258
260
262
264
277
300
302
305
307
310
336
351
382
404
410
411
412
412*
414
415
416
415?
505
605*
605
608
610
610*
634
805
810*
810
2105
3100
3101
3102
3103
3104
3105
3107
3108
3109
3200
3201
3201-506A
3202
3203
3210
3223
3225
3226
3226-76
3227
3228
3229
3230
3231
3251
3252
3253
3254
3255
3270
3271
3272
3273
3290
3291
3310
3311
3312
3313
6105*
21010
21030
21040
21050
21070
21080
21090
21100
21110
21120
21130
21140
21150
21170
21180
21190
21200
21220
21240
21270
21310
21340
(21340)
21350?
21420
21460
21840
22000
22020
22030
22040
22043
22060
22070
22080
22090
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