Fig. 1. Weighing
Fig. 2. Playing horses
Fig. 3. Joint watering of flowers

Fig. 4. Demonstration of Museum
Fig. 5. Driving
Fig. 6. Cycling

Fig. 1. Roody (2 y. 9 m. years) showing pictures to horse
Fig. 2. Roody (2½ years) feeding toy horse
Fig. 3. Roody (2 y. 9 m. years) reading for horse

Fig. 4. Roody (1 y. 4 m.) tries to feed doll
Fig. 5. Roody (4 years) playing the piana for cat
Fig. 6. Roody (2 y. 9 m.) auscultation of teddy bear

Fig. 1. Swinging together with teddy bear and pushing off teddy bear; catching up bear on swing (Roody at age of four)
Fig. 2. Has caught up teddy bear. Now swing together
Fig. 3. Collision with bear — an improvised accident

Fig. 4. Climbing up ladder with bear
Fig. 5. Teddy-bear driven in sled
Fig. 6. Teddy-bear toboganning

Fig. 1. Roody (4½ years) setting the bait
Fig. 2. Roody preparing sling-knot
Fig. 3. Roody awaiting prey

Fig. 4. Roody catching bear
Fig. 5. Roody carrying bear away
Fig. 6. Roody tying bear to tree

Fig. 1. Roody (2 y. 2 m.) has hidden
Fig. 2. Roody (2 y. 5 m.) has hidden behind his chair

Fig. 3. Roody (2 y. 4 m.) hiding in the knees of his mother
Fig. 4. Roody (2 y. 2 m.) “invisible” (has covered head with cap)

Fig. 1. “Car does not go”: Roody (2 y. 2 m.) feels depressed
Fig. 2. Attired as chauffeur: Roody (3 y. 11 m.) in big chauffeur's gloves
Fig. 3. Tinkering with the steering gear (Roody 2 y. 2 m.)

Fig. 4. “I'll take the car!” (Roody 3 y. 2 m.)
Fig. 5. “I'll repair the wheel!” (Roody 3 y. 6 m.)
Fig. 6. “I'll repair the wheel!” (Roody 3 years)

Fig. 1. Swinging on wooden horse (Roody 3 y. 4 m.)
Fig. 2. On the rocking chair (Roody 3 y.)
Fig. 3. On wooden horse (Roody 4 y. 4 m.)

Fig. 4. Purposeful falling down (Roody 4 y. 4 m.)
Fig. 5. Little girl friend in tow (Roody 4 y. 7 m.)

Fig. 1. “Auto-go-cart” (Roody 3 y. 3 m.)
Fig. 2. “Auto-go-cart” (Roody 4 y. 3 m.)
Fig. 3. Cycling with improvised obstacles (Roody 4 y. 5 m.)

Fig. 4. Demonstrating boldness in cycling (without holding to steering gear) (Roody 4 y. 7 m.)
Fig. 5. Cycling without foothold on pedals
Fig. 6. Purposeful falling down from bicycle

Fig. 1. Pseudo-skis (Roody 3 y. Il m.)
Fig. 2. Pseudo-skates (Roody 3 y. 11 m.)

Fig. 3. Skiing on real big skis (Roody 2 y. 11 m.)
Fig. 4. Skiing on children's skis (Roody 4 years)