Rainy Day Projects

Dinosaurs Indoor Builds for kids

Forts, tents, cardboard creations, and other things to build with what's already in the house.

Part of Dinosaurs activities and all indoor builds.

No-prep ideas for this

Something to say right now while you get the dinosaurs set out — or instead of it. All the quick ideas.

  • Stomp around like a dinosaur and I will try to guess what kind you are.

    Stomp around the room pretending to be a dinosaur and narrate what you are doing out loud. Every few steps, freeze and roar. The adult guesses what kind of dinosaur you are based on your moves.

    15 minutes · Ages 3–8 · Adult alongside · No mess · Needs nothing

  • Teach me everything you know about one dinosaur — give me a lecture.

    Pick one dinosaur you know well and give the adult a lecture: where it lived, what it ate, and one surprising fact. Then answer two questions the adult asks.

    30 minutes · Ages 5–10 · Adult alongside · No mess · Needs nothing

    Make more of it: Natural History Museum Curator Setup →

  • Show me four totally different dinosaur roars.

    Make a different roar for four dinosaurs — a tiny one for a small dinosaur, a slow low one for a huge one, a scared one, and your scariest one.

    5 minutes · Ages 3–8 · Adult alongside · No mess · Needs nothing

Dinosaurs Indoor Builds at home

Dinosaurs left behind bones, footprints, and entire landscapes locked in stone — which makes them an unusually good fit for building activities, because there is always something physical to reconstruct. A child who can tell you the difference between a carnivore and a herbivore wants to do more than look at pictures; they want to make the thing. Indoor builds give that child a reason to be on the floor for an hour, working with their hands on something that has weight and scale. These three activities each produce a different kind of artifact — a den, a skeleton, a geological structure — and each one invites the child to bring what they already know into what they are making.

What is in this set

The three dinosaurs Indoor Builds activities here run from 35 to 90 minutes — Stomp-Print Dinosaur Cave is the quickest, Papier-Mâché Erupting Volcano the longest. Between them they cover ages 3–5, ages 5–8 and ages 8–10, and each card below says which. Each one wants an adult at least nearby.

Choosing one

For children aged 3–5 who need movement and imagination both, start with the Stomp-Print Dinosaur Cave: it is quick, physical, and ends in a fort they can play inside. For ages 5–8 with a longer attention span and a strong opinion about dinosaur anatomy, the Cardboard Dinosaur Skeleton Frame will hold them for the better part of an afternoon. The Papier-Mâché Erupting Volcano is the right reach for ages 8–10 who want a project with genuine stakes and a payoff that involves a real reaction.

Before you start

For all three activities, gather and prepare cardboard or fabric before calling the child over — the moment between 'can we do it?' and actually starting is where enthusiasm drains fastest. Pre-mix paste for the volcano, pre-cut sponges for the cave, and pre-tear cardboard strips for the skeleton. One thing that tends to catch parents off guard across all three: paint and glue both need more drying time than children expect, so build in a natural break point rather than trying to push through to the end in one stretch.

More dinosaurs activities

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